Management Central as part of IBM i 7.2, 7.3, 7.4, and 7.5 Navigator contains a local privilege escalation vulnerability.  A malicious actor with command line access to the operating system can exploit this vulnerability to elevate privileges to gain root access to the operating system.  IBM X-Force ID:  264116.

CVE-2023-40685: IBM i privilege escalation CVE-2023-40685 Vulnerability Report

IBM QRadar SIEM 7.5 is vulnerable to information exposure allowing a delegated Admin tenant user with a specific domain security profile assigned to see data from other domains.  This vulnerability is due to an incomplete fix for CVE-2022-34352.  IBM X-Force ID:  266808.

**Security Bulletin**

  

**Summary**

IBM QRadar SIEM includes vulnerable components (e.g., framework libraries) that may be identified and exploited with automated tools. These have been addressed in the applicable CVEs. (CVE-2019-17571, CVE-2022-23305, CVE-2022-23307, CVE-2022,23302, CVE-2021-4104, CVE-2020-9488, CVE-2020-9493, CVE-2023-24329, CVE-2023-43041)

**Vulnerability Details**

**CVEID:**   CVE-2019-17571  
**DESCRIPTION:**   Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by improper deserialization of untrusted data in SocketServer. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.  
CVSS Base score: 9.8  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/173314 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

**CVEID:**   CVE-2022-23305  
**DESCRIPTION:**   Apache Log4j is vulnerable to SQL injection. A remote attacker could send specially-crafted SQL statements to the JDBCAppender, which could allow the attacker to view, add, modify or delete information in the back-end database.  
CVSS Base score: 6.5  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217461 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

**CVEID:**   CVE-2022-23307  
**DESCRIPTION:**   Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization in the in Apache Chainsaw component. By sending specially-crafted input, an attacker could exploit this vulnerability to execute arbitrary code on the system.  
CVSS Base score: 9.8  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217462 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

**CVEID:**   CVE-2022-23302  
**DESCRIPTION:**   Apache Log4j could allow a remote authenticated attacker to execute arbitrary code on the system, caused by an unsafe deserialization in JMSSink. By sending specially-crafted JNDI requests using TopicConnectionFactoryBindingName configuration, an attacker could exploit this vulnerability to execute arbitrary code on the system.  
CVSS Base score: 8.8  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217460 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

**CVEID:**   CVE-2021-4104  
**DESCRIPTION:**   Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. If the deployed application is configured to use JMSAppender, an attacker could exploit this vulnerability to execute arbitrary code on the system.  
CVSS Base score: 8.1  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215048 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

**CVEID:**   CVE-2020-9488  
**DESCRIPTION:**   Apache Log4j is vulnerable to a man-in-the-middle attack, caused by improper certificate validation with host mismatch in the SMTP appender. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information or further compromise the system.  
CVSS Base score: 3.7  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/180824 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

**CVEID:**   CVE-2020-9493  
**DESCRIPTION:**   Apache Chainsaw could allow a remote attacker to execute arbitrary code on the system, caused by an unsafe deserialization flaw when reading the log events. By sending specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.  
CVSS Base score: 9.8  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203829 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

**CVEID:**   CVE-2023-24329  
**DESCRIPTION:**   Python could allow a remote attacker to bypass security restrictions, caused by a flaw in the urllib.parse component. By sending a specially-crafted request using URL starts with blank characters, an attacker could exploit this vulnerability to bypass blocklisting methods.  
CVSS Base score: 7.5  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/247730 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

**CVEID:**   CVE-2023-43041  
**DESCRIPTION:**   IBM QRadar SIEM is vulnerable to information exposure allowing a delegated Admin tenant user with a specific domain security profile assigned to see data from other domains. This vulnerability is due to an incomplete fix for CVE-2022-34352.  
CVSS Base score: 6.5  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/266808 for the current score.  
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

**Affected Products and Versions**

Affected Product(s)

Version(s)

IBM QRadar SIEM

7.5 - 7.5.0 UP7

**Remediation/Fixes**

IBM strongly recommends addressing the vulnerability now by upgrading

**Product**

**Version**

**Remediation/First Fix**

IBM QRadar SIEM

7.5.0 

7.5.0 UP7 IF01

**Workarounds and Mitigations**

None

**References**

Off

**Acknowledgement**

**Change History**

27 Oct 2023: Initial Publication

\*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

**Disclaimer**

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.

**Document Location**

Worldwide

\[{"Business Unit":{"code":"BU059","label":"IBM Software w\\/o TPS"},"Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"Component":"","Platform":\[{"code":"PF016","label":"Linux"}\],"Version":"7.5.0","Edition":"","Line of Business":{"code":"LOB24","label":"Security Software"}}\]

CVE-2023-43041: Security Bulletin: IBM QRadar SIEM contains multiple vulnerabilities in components.

Management Central as part of IBM i 7.2, 7.3, 7.4, and 7.5 Navigator contains a local privilege escalation vulnerability.  A malicious actor with command line access to the operating system can exploit this vulnerability to elevate privileges to gain component access to the operating system.  IBM X-Force ID:  264114.

  

**Summary**

IBM i is vulnerable to a local privilege escalation due to flaws in a Management Central as described in the vulnerability details section. The vulnerabilities exist even when Management Central is not being used for systems management tasks. IBM i has addressed the vulnerabilities with fixes as described in the remediation/fixes section.

**Vulnerability Details**

**CVEID:**   CVE-2023-40686  
**DESCRIPTION:**   Management Central as part of IBM i Navigator contains a local privilege escalation vulnerability. A malicious actor with command line access to the operating system can exploit this vulnerability to elevate privileges to gain component access to the operating system.  
CVSS Base score: 4.9  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/264114 for the current score.  
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)

**CVEID:**   CVE-2023-40685  
**DESCRIPTION:**   Management Central as part of IBM i Navigator contains a local privilege escalation vulnerability. A malicious actor with command line access to the operating system can exploit this vulnerability to elevate privileges to gain root access to the operating system.  
CVSS Base score: 7.4  
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/264116 for the current score.  
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

**Affected Products and Versions**

Affected Product(s)

Version(s)

IBM i

7.5

IBM i

7.4

IBM i

7.3

IBM i

7.2

**Workarounds and Mitigations**

None

**References**

Off

**Acknowledgement**

These vulnerabilities were reported to IBM by Zoltan Panczel, Silent Signal.

**Change History**

27 Oct 2023: Initial Publication

\*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

**Disclaimer**

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. "Affected Products and Versions" referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.

**Document Location**

Worldwide

\[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\\/TPS"},"Product":{"code":"SWG60","label":"IBM i"},"Component":"","Platform":\[{"code":"PF012","label":"IBM i"}\],"Version":"7.5.0, 7.4.0, 7.3.0, 7.2.0","Edition":"","Line of Business":{"code":"LOB57","label":"Power"}}\]

CVE-2023-40686: IBM i is vulnerable to a local privilege escalation due to flaws in Management Central (CVE-2023-40685, CVE-2023-40686).

Insufficient Session Expiration in GitHub repository linkstackorg/linkstack prior to v4.2.9.

CVE-2023-5838

Privilege Chaining in GitHub repository hestiacp/hestiacp prior to 1.8.9.

CVE-2023-5839

Weak Password Recovery Mechanism for Forgotten Password in GitHub repository linkstackorg/linkstack prior to v4.2.9.

CVE-2023-5840

** DISPUTED ** Moodle 4.3 allows /grade/report/grader/index.php?searchvalue= reflected XSS when logged in as a teacher. NOTE: the Moodle Security FAQ link states "Some forms of rich content [are] used by teachers to enhance their courses ... admins and teachers can post XSS-capable content, but students can not."

\# Exploit Title: Moodle 4.3 Reflected XSS

\# Date: 20/10/2023

\# Exploit Author: Root Intrud3r

\# Vendor Homepage: https://moodle.org/

\# Software Demo: https://school.moodledemo.net/

\# Version: 4.3

\# Tested on: Linux

Vulnerability Details:

Steps :

1\. Log in to the application with the given credentials > USER: teacher PASS: moodle

2\. Go to this page https://school.moodledemo.net/grade/report/grader/index.php?id=69&searchvalue=

3\. Write this payload in the searchvalue field : "onmouseover="alert(1)"style="position:absolute;width:100%;height:100%;top:0;left:0;"qq9r3

4\. When click this url "https://school.moodledemo.net/grade/report/grader/index.php?id=69&searchvalue=%22onmouseover=%22alert(document.domain)%22style=%22position:absolute;width:100%;height:100%;top:0;left:0;%22qq9r3"

5\. You will be see alert button

CVE-2023-46858: Moodle 4.3 Reflected XSS.txt

A vulnerability classified as problematic was found in AlexanderLivanov FotosCMS2 up to 2.4.3. This vulnerability affects unknown code of the file profile.php of the component Cookie Handler. The manipulation of the argument username leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-243802 is the identifier assigned to this vulnerability.

CVE-2023-5837

A vulnerability was found in SourceCodester Task Reminder System 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the file classes/Users.php?f=delete. The manipulation of the argument id leads to sql injection. The attack may be launched remotely. The identifier of this vulnerability is VDB-243800.

CVE-2023-5836

Proxmox proxmox-widget-toolkit before 4.0.9, as used in multiple Proxmox products, allows XSS via the edit notes feature.

From Proxmox VE

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Proxmox VE uses APT as its package management tool like any other Debian-based system.

**Repositories in Proxmox VE**

Repositories are a collection of software packages, they can be used to install new software, but are also important to get new updates.

You need valid Debian and Proxmox repositories to get the latest security updates, bug fixes and new features.

APT Repositories are defined in the file /etc/apt/sources.list and in .list files placed in /etc/apt/sources.list.d/.

**Repository Management**

Since Proxmox VE 7, you can check the repository state in the web interface. The node summary panel shows a high level status overview, while the separate _Repository_ panel shows in-depth status and list of all configured repositories.

Basic repository management, for example, activating or deactivating a repository, is also supported.

**Sources.list**

In a sources.list file, each line defines a package repository. The preferred source must come first. Empty lines are ignored. A # character anywhere on a line marks the remainder of that line as a comment. The available packages from a repository are acquired by running apt-get update. Updates can be installed directly using apt-get, or via the GUI (Node → Updates).

File

/etc/apt/sources.list

deb http://deb.debian.org/debian bookworm main contrib
deb http://deb.debian.org/debian bookworm-updates main contrib

# security updates
deb http://security.debian.org/debian-security bookworm-security main contrib

Proxmox VE provides three different package repositories.

**Proxmox VE Enterprise Repository**

This is the default, stable, and recommended repository, available for all Proxmox VE subscription users. It contains the most stable packages and is suitable for production use. The pve-enterprise repository is enabled by default:

File

/etc/apt/sources.list.d/pve-enterprise.list

deb https://enterprise.proxmox.com/debian/pve bookworm pve-enterprise

The root@pam user is notified via email about available updates. Click the _Changelog_ button in the GUI to see more details about the selected update.

You need a valid subscription key to access the pve-enterprise repository. Different support levels are available. Further details can be found at https://www.proxmox.com/en/proxmox-ve/pricing.

You can disable this repository by commenting out the above line using a # (at the start of the line). This prevents error messages if your host does not have a subscription key. Please configure the pve-no-subscription repository in that case.

**Proxmox VE No-Subscription Repository**

This is the recommended repository for testing and non-production use. Its packages are not as heavily tested and validated. You don’t need a subscription key to access the pve-no-subscription repository.

We recommend to configure this repository in /etc/apt/sources.list.

File

/etc/apt/sources.list

deb http://ftp.debian.org/debian bookworm main contrib
deb http://ftp.debian.org/debian bookworm-updates main contrib

# Proxmox VE pve-no-subscription repository provided by proxmox.com,
# NOT recommended for production use
deb http://download.proxmox.com/debian/pve bookworm pve-no-subscription

# security updates
deb http://security.debian.org/debian-security bookworm-security main contrib

**Proxmox VE Test Repository**

This repository contains the latest packages and is primarily used by developers to test new features. To configure it, add the following line to /etc/apt/sources.list:

sources.list entry for

pvetest

deb http://download.proxmox.com/debian/pve bookworm pvetest

The pvetest repository should (as the name implies) only be used for testing new features or bug fixes.

**Ceph Quincy Enterprise Repository**

This repository holds the enterprise Proxmox VE Ceph Quincy packages. They are suitable for production. Use this repository if you run the Ceph client or a full Ceph cluster on Proxmox VE.

File

/etc/apt/sources.list.d/ceph.list

deb https://enterprise.proxmox.com/debian/ceph-quincy bookworm enterprise

**Ceph Quincy No-Subscription Repository**

This Ceph repository contains the Ceph Quincy packages before they are moved to the enterprise repository and after they where on the test repository.

It’s recommended to use the enterprise repository for production machines.

File

/etc/apt/sources.list.d/ceph.list

deb http://download.proxmox.com/debian/ceph-quincy bookworm no-subscription

**Ceph Quincy Test Repository**

This Ceph repository contains the Ceph Quincy packages before they are moved to the main repository. It is used to test new Ceph releases on Proxmox VE.

File

/etc/apt/sources.list.d/ceph.list

deb http://download.proxmox.com/debian/ceph-quincy bookworm test

**Older Ceph Repositories**

Proxmox VE 8 doesn’t support Ceph Pacific, Ceph Octopus, or even older releases for hyper-converged setups. For those releases, you need to first upgrade Ceph to a newer release before upgrading to Proxmox VE 8.

**SecureApt**

The _Release_ files in the repositories are signed with GnuPG. APT is using these signatures to verify that all packages are from a trusted source.

If you install Proxmox VE from an official ISO image, the key for verification is already installed.

If you install Proxmox VE on top of Debian, download and install the key with the following commands:

 # wget https://enterprise.proxmox.com/debian/proxmox-release-bookworm.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg

Verify the checksum afterwards with the sha512sum CLI tool:

\# sha512sum /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg
7da6fe34168adc6e479327ba517796d4702fa2f8b4f0a9833f5ea6e6b48f6507a6da403a274fe201595edc86a84463d50383d07f64bdde2e3658108db7d6dc87 /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg

or the md5sum CLI tool:

\# md5sum /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg
41558dc019ef90bd0f6067644a51cf5b /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg

**Proxmox VE 7.x Repositories**

Proxmox VE 7.x is based on Debian 11.x (“bullseye”). Please note that this release is out of date (see the FAQ support table). Existing installations should be updated. Nevertheless access to these repositories is still provided.

 

Repository

sources.list entry

Proxmox VE 7.x Enterprise

deb https://enterprise.proxmox.com/debian/pve bullseye pve-enterprise

Proxmox VE 7.x No-Subscription

deb http://download.proxmox.com/debian/pve bullseye pve-no-subscription

Proxmox VE 7.x Test

deb http://download.proxmox.com/debian/pve bullseye pvetest

Release key hash sums:

sha512sum /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
7fb03ec8a1675723d2853b84aa4fdb49a46a3bb72b9951361488bfd19b29aab0a789a4f8c7406e71a69aabbc727c936d3549731c4659ffa1a08f44db8fdcebfa

md5sum /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg
bcc35c7173e0845c0d6ad6470b70f50e

**Outdated: stable Repository pve**

This repository is a leftover to ease the update to 3.1. It will not get any updates after the release of 3.1. Therefore the repository needs to be removed after the upgrade to 3.1.

File

/etc/apt/sources.list

deb http://ftp.debian.org/debian wheezy main contrib

# PVE packages provided by proxmox.com - NO UPDATES after the initial release of 3.1
# deb http://download.proxmox.com/debian wheezy pve

# security updates
deb http://security.debian.org/ wheezy/updates main contrib

**Outdated: Proxmox VE 2.x Repositories**

Proxmox VE 2.x is based on Debian 6.0 (“squeeze”) and outdated. Please upgrade to the latest version as soon as possible. In order to use the stable pve 2.x repository, check your sources.list:

File

/etc/apt/sources.list

deb http://ftp.debian.org/debian squeeze main contrib

# PVE packages provided by proxmox.com
deb http://download.proxmox.com/debian squeeze pve

# security updates
deb http://security.debian.org/ squeeze/updates main contrib

**Outdated: Proxmox VE VE 1.x Repositories**

Proxmox VE 1.x is based on Debian 5.0 (“lenny”) and very outdated. Please upgrade to latest version as soon as possible.