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Microsoft Patch Tuesday September 2022: CLFS Driver EoP, IP packet causes RCE, Windows DNS Server DoS, Spectre-BHB
Hello everyone! Let’s take a look at Microsoft’s September Patch Tuesday. This time it is quite compact. There were 63 CVEs released on Patch Tuesday day. If we add the vulnerabilities released between August and September Patch Tuesdays (as usual, they were in Microsoft Edge), the final number is 90. Much less than usual. Alternative […]
Hello everyone! Let’s take a look at Microsoft’s September Patch Tuesday. This time it is quite compact. There were 63 CVEs released on Patch Tuesday day. If we add the vulnerabilities released between August and September Patch Tuesdays (as usual, they were in Microsoft Edge), the final number is 90. Much less than usual.
Alternative video link (for Russia): https://vk.com/video-149273431_456239101
$ cat comments_links.txt
Qualys|September 2022 Patch Tuesday|https://blog.qualys.com/vulnerabilities-threat-research/2022/09/13/september-2022-patch-tuesday
ZDI|THE SEPTEMBER 2022 SECURITY UPDATE REVIEW|https://www.zerodayinitiative.com/blog/2022/9/13/the-september-2022-security-update-review
Kaspersky|Patches for 64 vulnerabilities in Microsoft products released|https://www.kaspersky.com/blog/microsoft-patch-tuesday-september-2022/45501/
$ python3.8 vulristics.py --report-type "ms_patch_tuesday_extended" --mspt-year 2022 --mspt-month "September" --mspt-comments-links-path "comments_links.txt" --rewrite-flag "True"
...
MS PT Year: 2022
MS PT Month: September
MS PT Date: 2022-09-13
MS PT CVEs found: 63
Ext MS PT Date from: 2022-08-10
Ext MS PT Date to: 2022-09-12
Ext MS PT CVEs found: 27
ALL MS PT CVEs: 90
...
- Urgent: 0
- Critical: 1
- High: 41
- Medium: 44
- Low: 4
Exploitable vulnerabilities
There are no vulnerabilities with public exploits yet. There are 3 vulnerabilities for which there is a Proof-of-Concept Exploit according to data from CVSS.
- Elevation of Privilege – Kerberos (CVE-2022-33679). An unauthenticated attacker could perform a man-in-the-middle network exploit to downgrade a client’s encryption to the RC4-md4 cypher, followed by cracking the user’s cypher key. The attacker could then compromise the user’s Kerberos session key to elevate privileges.
- Elevation of Privilege – Azure Guest Configuration and Azure Arc-enabled servers (CVE-2022-38007). An attacker who successfully exploited the vulnerability could replace Microsoft-shipped code with their own code, which would then be run as root in the context of a Guest Configuration daemon. On an Azure VM with the Guest Configuration Linux Extension installed, this would run in the context of the GC Policy Agent daemon. On an Azure Arc-enabled server, it could run in the context of the GC Arc Service or Extension Service daemons.
- Elevation of Privilege – Windows GDI (CVE-2022-34729). An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
But the likelihood that these exploits will be used in real attacks seems low.
Exploitation in the wild
There are 3 vulnerabilities with a sign of exploitation in the wild:
- Elevation of Privilege – Windows Common Log File System Driver (CVE-2022-37969). An attacker must already have access and the ability to run code on the target system. An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. This vulnerability affects many versions of Windows, there are patches even for EOL versions. In addition to this vulnerability, there was a bunch of EoPs in Windows with no signs of exploitation in the wild, for example Elevation of Privilege – Windows Kernel (CVE-2022-37956, CVE-2022-37957, CVE-2022-37964)
- Security Feature Bypass – Microsoft Edge (CVE-2022-2856, CVE-2022-3075). Edge vulnerabilities are actually Chromium vulnerabilities. This is the downside of using the same engine. Chrome vulnerabilities also affect Edge, Opera, Brave, Vivaldi, etc.
Remote Code Execution – Windows TCP/IP (CVE-2022-34718). An unauthorized attacker can use it to execute arbitrary code on the attacked Windows computer with the IPSec service enabled by sending a specially crafted IPv6 packet to it. This vulnerability can only be exploited against systems with Internet Protocol Security (IPsec) enabled. IPsec and IPv6 are evil. 🙂 But seriously, it’s bad that this is even possible.
And that’s not all, there’s more. Remote Code Execution – Windows Internet Key Exchange (IKE) Protocol Extensions (CVE-2022-34721, CVE-2022-34722). The IKE protocol is a component of IPsec used to set up security associations (relationships among devices based on shared security attributes). An unauthenticated attacker could send a specially crafted IP packet to a target machine that is running Windows and has IPSec enabled, which could enable a remote code execution exploitation. Although these vulnerabilities only affect the IKEv1 protocol version, Microsoft reminds that all Windows Server systems are vulnerable because they accept both v1 and v2 packets.
Windows DNS Server DoS
Denial of Service – Windows DNS Server (CVE-2022-34724). This bug is only rated Important since there’s no chance of code execution, but you should probably treat it as Critical due to its potential impact. A remote, unauthenticated attacker could create a denial-of-service (DoS) condition on your DNS server. It’s not clear if the DoS just kills the DNS service or the whole system. Shutting down DNS is always bad, but with so many resources in the cloud, a loss of DNS pointing the way to those resources could be catastrophic for many enterprises.
Spectre-BHB
Memory Corruption – ARM processor (CVE-2022-23960). This is yet another variation of the Spectre vulnerability (this time Specter-BHB), which interferes with a processor’s speculative execution of instructions mechanism. In other words, the probability of its use in real attacks is extremely small — the danger is somewhat theoretical. But almost all Patch Tuesday reviewers paid attention to this vulnerability.
Full Vulristics report: ms_patch_tuesday_september2022
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Tech giant Microsoft on Tuesday shipped fixes to quash 64 new security flaws across its software lineup, including one zero-day flaw that has been actively exploited in real-world attacks. Of the 64 bugs, five are rated Critical, 57 are rated Important, one is rated Moderate, and one is rated Low in severity. The patches are in addition to 16 vulnerabilities that Microsoft addressed in its
Tech giant Microsoft on Tuesday shipped fixes to quash 64 new security flaws across its software lineup, including one zero-day flaw that has been actively exploited in real-world attacks. Of the 64 bugs, five are rated Critical, 57 are rated Important, one is rated Moderate, and one is rated Low in severity. The patches are in addition to 16 vulnerabilities that Microsoft addressed in its
Tech giant Microsoft on Tuesday shipped fixes to quash 64 new security flaws across its software lineup, including one zero-day flaw that has been actively exploited in real-world attacks. Of the 64 bugs, five are rated Critical, 57 are rated Important, one is rated Moderate, and one is rated Low in severity. The patches are in addition to 16 vulnerabilities that Microsoft addressed in its
Tech giant Microsoft on Tuesday shipped fixes to quash 64 new security flaws across its software lineup, including one zero-day flaw that has been actively exploited in real-world attacks. Of the 64 bugs, five are rated Critical, 57 are rated Important, one is rated Moderate, and one is rated Low in severity. The patches are in addition to 16 vulnerabilities that Microsoft addressed in its
Tech giant Microsoft on Tuesday shipped fixes to quash 64 new security flaws across its software lineup, including one zero-day flaw that has been actively exploited in real-world attacks. Of the 64 bugs, five are rated Critical, 57 are rated Important, one is rated Moderate, and one is rated Low in severity. The patches are in addition to 16 vulnerabilities that Microsoft addressed in its
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This month's Patch Tuesday offers a little something for everyone, including security updates for a zero-day flaw in Microsoft Windows that is under active attack, and another Windows weakness experts say could be used to power a fast-spreading computer worm. Also, Apple has also quashed a pair of zero-day bugs affecting certain macOS and iOS users, and released iOS 16, which includes a nifty new privacy and security feature called "Lockdown Mode." And Adobe axed 63 vulnerabilities in a range of products.
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In Microsoft's lightest Patch Tuesday update of the year so far, several security vulnerabilities stand out as must-patch, researchers warn.
In Microsoft's lightest Patch Tuesday update of the year so far, several security vulnerabilities stand out as must-patch, researchers warn.
In Microsoft's lightest Patch Tuesday update of the year so far, several security vulnerabilities stand out as must-patch, researchers warn.
In Microsoft's lightest Patch Tuesday update of the year so far, several security vulnerabilities stand out as must-patch, researchers warn.
In Microsoft's lightest Patch Tuesday update of the year so far, several security vulnerabilities stand out as must-patch, researchers warn.
In Microsoft's lightest Patch Tuesday update of the year so far, several security vulnerabilities stand out as must-patch, researchers warn.
Windows GDI Elevation of Privilege Vulnerability.
Azure Guest Configuration and Azure Arc-enabled servers Elevation of Privilege Vulnerability.
Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-34721.
Windows DNS Server Denial of Service Vulnerability.
Windows TCP/IP Remote Code Execution Vulnerability.
Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-34722.
Windows Kernel Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-37957, CVE-2022-37964.
Windows Kernel Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-37956, CVE-2022-37964.
Windows Kernel Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-37956, CVE-2022-37957.
Windows Common Log File System Driver Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-35803.
Windows Kerberos Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-33647.
By Jon Munshaw and Asheer Malhotra. Microsoft released its monthly security update Tuesday, disclosing 64 vulnerabilities across the company’s hardware and software line, a sharp decline from the record number of issues Microsoft disclosed last month. September's security update features five critical vulnerabilities, 10 fewer than were included in last month’s Patch Tuesday. There are two moderate-severity vulnerabilities in this release and a low-security issue that’s already been patched as a part of a recent Google Chromium update. The remainder is considered “important.” The most serious vulnerability exists in several versions of Windows Server and Windows 10 that could allow an attacker to gain the ability to execute remote code (RCE) by sending a singular, specially crafted IPv6 packet to a Windows node where IPSec is enabled. CVE-2022-34718 only affects instances that have IPSec enabled. This vulnerability has a severity score of 9.8 out of 10 and is considered “more likely...
By Jon Munshaw and Asheer Malhotra. Microsoft released its monthly security update Tuesday, disclosing 64 vulnerabilities across the company’s hardware and software line, a sharp decline from the record number of issues Microsoft disclosed last month. September's security update features five critical vulnerabilities, 10 fewer than were included in last month’s Patch Tuesday. There are two moderate-severity vulnerabilities in this release and a low-security issue that’s already been patched as a part of a recent Google Chromium update. The remainder is considered “important.” The most serious vulnerability exists in several versions of Windows Server and Windows 10 that could allow an attacker to gain the ability to execute remote code (RCE) by sending a singular, specially crafted IPv6 packet to a Windows node where IPSec is enabled. CVE-2022-34718 only affects instances that have IPSec enabled. This vulnerability has a severity score of 9.8 out of 10 and is considered “more likely...
By Jon Munshaw and Asheer Malhotra. Microsoft released its monthly security update Tuesday, disclosing 64 vulnerabilities across the company’s hardware and software line, a sharp decline from the record number of issues Microsoft disclosed last month. September's security update features five critical vulnerabilities, 10 fewer than were included in last month’s Patch Tuesday. There are two moderate-severity vulnerabilities in this release and a low-security issue that’s already been patched as a part of a recent Google Chromium update. The remainder is considered “important.” The most serious vulnerability exists in several versions of Windows Server and Windows 10 that could allow an attacker to gain the ability to execute remote code (RCE) by sending a singular, specially crafted IPv6 packet to a Windows node where IPSec is enabled. CVE-2022-34718 only affects instances that have IPSec enabled. This vulnerability has a severity score of 9.8 out of 10 and is considered “more likely...
By Jon Munshaw and Asheer Malhotra. Microsoft released its monthly security update Tuesday, disclosing 64 vulnerabilities across the company’s hardware and software line, a sharp decline from the record number of issues Microsoft disclosed last month. September's security update features five critical vulnerabilities, 10 fewer than were included in last month’s Patch Tuesday. There are two moderate-severity vulnerabilities in this release and a low-security issue that’s already been patched as a part of a recent Google Chromium update. The remainder is considered “important.” The most serious vulnerability exists in several versions of Windows Server and Windows 10 that could allow an attacker to gain the ability to execute remote code (RCE) by sending a singular, specially crafted IPv6 packet to a Windows node where IPSec is enabled. CVE-2022-34718 only affects instances that have IPSec enabled. This vulnerability has a severity score of 9.8 out of 10 and is considered “more likely...
By Jon Munshaw and Asheer Malhotra. Microsoft released its monthly security update Tuesday, disclosing 64 vulnerabilities across the company’s hardware and software line, a sharp decline from the record number of issues Microsoft disclosed last month. September's security update features five critical vulnerabilities, 10 fewer than were included in last month’s Patch Tuesday. There are two moderate-severity vulnerabilities in this release and a low-security issue that’s already been patched as a part of a recent Google Chromium update. The remainder is considered “important.” The most serious vulnerability exists in several versions of Windows Server and Windows 10 that could allow an attacker to gain the ability to execute remote code (RCE) by sending a singular, specially crafted IPv6 packet to a Windows node where IPSec is enabled. CVE-2022-34718 only affects instances that have IPSec enabled. This vulnerability has a severity score of 9.8 out of 10 and is considered “more likely...
By Jon Munshaw and Asheer Malhotra. Microsoft released its monthly security update Tuesday, disclosing 64 vulnerabilities across the company’s hardware and software line, a sharp decline from the record number of issues Microsoft disclosed last month. September's security update features five critical vulnerabilities, 10 fewer than were included in last month’s Patch Tuesday. There are two moderate-severity vulnerabilities in this release and a low-security issue that’s already been patched as a part of a recent Google Chromium update. The remainder is considered “important.” The most serious vulnerability exists in several versions of Windows Server and Windows 10 that could allow an attacker to gain the ability to execute remote code (RCE) by sending a singular, specially crafted IPv6 packet to a Windows node where IPSec is enabled. CVE-2022-34718 only affects instances that have IPSec enabled. This vulnerability has a severity score of 9.8 out of 10 and is considered “more likely...
Categories: Exploits and vulnerabilities Categories: News The Google Chrome Team recently issued a fix for the CVE-2022-3075 zero-day. (Read more...) The post Zero-day puts a dent in Chrome's mojo appeared first on Malwarebytes Labs.
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Google on Friday shipped emergency fixes to address a security vulnerability in the Chrome web browser that it said is being actively exploited in the wild. The issue, assigned the identifier CVE-2022-3075, concerns a case of insufficient data validating in Mojo, which refers to a collection of runtime libraries that provide a platform-agnostic mechanism for inter-process communication (IPC). An
Google on Friday shipped emergency fixes to address a security vulnerability in the Chrome web browser that it said is being actively exploited in the wild. The issue, assigned the identifier CVE-2022-3075, concerns a case of insufficient data validating in Mojo, which refers to a collection of runtime libraries that provide a platform-agnostic mechanism for inter-process communication (IPC). An
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An insufficient validation input flaw, one of 11 patched in an update this week, could allow for arbitrary code execution and is under active attack.
The high-severity security vulnerability (CVE-2022-2856) is due to improper user-input validation.
Google on Tuesday rolled out patches for Chrome browser for desktops to contain an actively exploited high-severity zero-day flaw in the wild. Tracked as CVE-2022-2856, the issue has been described as a case of insufficient validation of untrusted input in Intents. Security researchers Ashley Shen and Christian Resell of Google Threat Analysis Group have been credited with reporting the flaw on
Categories: Exploits and vulnerabilities Categories: News Tags: 104.0.5112.101 Tags: Google Tags: Chrome Tags: CVE-2022-2852 Tags: CVE-2022-2856 Tags: CVE-2022-2854 Tags: CVE-2022-2853 Tags: UAF Tags: heap buffer overflow Google issued an update that includes 11 security fixes. One of the vulnerabilities is labeled as “Critical” and one of the vulnerabilities that is labeled as “High” exists in the wild. (Read more...) The post Update Chrome now! Google issues patch for zero day spotted in the wild appeared first on Malwarebytes Labs.
Certain Arm Cortex and Neoverse processors through 2022-03-08 do not properly restrict cache speculation, aka Spectre-BHB. An attacker can leverage the shared branch history in the Branch History Buffer (BHB) to influence mispredicted branches. Then, cache allocation can allow the attacker to obtain sensitive information.
An issue was discovered in Wind River VxWorks 7. The memory allocator has a possible integer overflow in calculating a memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.