Tag Archives: Microsoft

December Microsoft Patch Tuesday

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December Microsoft Patch Tuesday

December Microsoft Patch Tuesday. 89 CVEs, of which 18 were added since November MSPT. 1 vulnerability with signs of exploitation in the wild:

🔻 EoP – Windows Common Log File System Driver (CVE-2024-49138). There are no details about this vulnerability yet.

Strictly speaking, there was another vulnerability that was exploited in the wild: EoP – Microsoft Partner Network (CVE-2024-49035). But this is an already fixed vulnerability in the Microsoft website and I’m not even sure that it was worth creating a CVE. 🤔

For the remaining vulnerabilities, there are no signs of exploitation in the wild, nor exploits (even private ones).

I can highlight:

🔹 RCE – Windows LDAP (CVE-2024-49112, CVE-2024-49127)
🔹 RCE – Windows LSASS (CVE-2024-49126)
🔹 RCE – Windows Remote Desktop Services (CVE-2024-49106 и ещё 8 CVE)
🔹 RCE – Microsoft MSMQ (CVE-2024-49122, CVE-2024-49118)
🔹 RCE – Microsoft SharePoint (CVE-2024-49070)

🗒 Full Vulristics report

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About Elevation of Privilege – Windows Task Scheduler (CVE-2024-49039) vulnerability

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About Elevation of Privilege - Windows Task Scheduler (CVE-2024-49039) vulnerability

About Elevation of Privilege – Windows Task Scheduler (CVE-2024-49039) vulnerability. It was released on November Microsoft Patch Tuesday and showed signs of exploitation in the wild right away. To exploit the vulnerability, an authenticated attacker runs a specially crafted application on the target system. The attack can be performed from an AppContainer restricted environment. Using this vulnerability, an attacker can elevate their privileges to Medium Integrity level and gain the ability to execute RPC functions that are restricted to privileged accounts only.

ESET reports that the vulnerability allowed the RomCom attackers to execute malicious code outside the Firefox sandbox and then launch hidden PowerShell processes to download and run malware from C&C servers.

👾 There is a backdoor code on GitHub that exploits this vulnerability.

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New episode “In The Trend of VM” (#9): 4 trending vulnerabilities of October, scandal at The Linux Foundation, social “attack on the complainer”, “Ford’s method” for motivating IT specialists to fix vulnerabilities

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New episode “In The Trend of VM” (#9): 4 trending vulnerabilities of October, scandal at The Linux Foundation, social “attack on the complainer”, “Ford’s method” for motivating IT specialists to fix vulnerabilities. The competition for the best question on the topic of VM continues. 😉🎁

📹 Video on YouTube, LinkedIn
🗞 Post on Habr (rus)
🗒 Digest on the PT website

Content:

🔻 00:37 Elevation of Privilege – Microsoft Streaming Service (CVE-2024-30090)
🔻 01:46 Elevation of Privilege – Windows Kernel-Mode Driver (CVE-2024-35250)
🔻 02:38 Spoofing – Windows MSHTML Platform (CVE-2024-43573)
🔻 03:43 Remote Code Execution – XWiki Platform (CVE-2024-31982)
🔻 04:44 The scandal with the removal of Russian maintainers at The Linux Foundation, its impact on security and possible consequences.
🔻 05:22 Social “Attack on the complainer“
🔻 06:35 “Ford’s method” for motivating IT staff to fix vulnerabilities: will it work?
🔻 08:00 About the digest, habr and the question contest 🎁
🔻 08:29 Backstage

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November Microsoft Patch Tuesday

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November Microsoft Patch Tuesday

November Microsoft Patch Tuesday. 125 CVEs, 35 of which were added since October MSPT. 2 vulnerabilities with signs of exploitation in the wild:

🔻 Elevation of Privilege – Windows Task Scheduler (CVE-2024-49039)
🔻 Disclosure/Spoofing – NTLM Hash (CVE-2024-43451)

No signs of exploitation, but with a private PoC of the exploit:

🔸 Remote Code Execution – Microsoft Edge (CVE-2024-43595, CVE-2024-43596)
🔸 Authentication Bypass – Azure Functions (CVE-2024-38204)
🔸 Authentication Bypass – Microsoft Dataverse (CVE-2024-38139)
🔸 Spoofing – Microsoft Exchange (CVE-2024-49040)

Among the rest can be highlighted:

🔹Remote Code Execution – Windows Kerberos (CVE-2024-43639)
🔹Elevation of Privilege – Windows Win32k (CVE-2024-43636)
🔹Elevation of Privilege – Windows DWM Core Library (CVE-2024-43629)
🔹Elevation of Privilege – Windows NT OS Kernel (CVE-2024-43623)

🗒 Full Vulristics report

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What is known about the Spoofing – Windows MSHTML Platform (CVE-2024-43573) vulnerability from the October Microsoft Patch Tuesday?

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What is known about the Spoofing - Windows MSHTML Platform (CVE-2024-43573) vulnerability from the October Microsoft Patch Tuesday?

What is known about the Spoofing – Windows MSHTML Platform (CVE-2024-43573) vulnerability from the October Microsoft Patch Tuesday? In fact, just that it is being exploited in the wild. There are no write-ups or public exploits yet. The Acknowledgements section in the Microsoft bulletin is empty. It is not clear who reported it and from whom we can expect details.

ZDI suggested that this could be an additional fix for a similar July vulnerability Spoofing – Windows MSHTML Platform (CVE-2024-38112). The vulnerability type and component are the same. The July vulnerability was about “.url” file handling and was exploited by the APT group Void Banshee to install the Atlantida Stealer malware. Attackers may have bypassed the initial fix, prompting Microsoft to release a new patch. So far, this is only an assumption. But the vulnerability shouldn’t be ignored despite its low CVSS Base score (6.5).

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The severity of the Remote Code Execution – Microsoft SharePoint (CVE-2024-38094) vulnerability has increased

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The severity of the Remote Code Execution - Microsoft SharePoint (CVE-2024-38094) vulnerability has increased

The severity of the Remote Code Execution – Microsoft SharePoint (CVE-2024-38094) vulnerability has increased. It was fixed as part of the July Microsoft Patch Tuesday (July 9).

SharePoint is a popular platform for corporate portals. According to the Microsoft bulletin, аn authenticated attacker with Site Owner permissions can use the vulnerability to inject arbitrary code and execute this code in the context of SharePoint Server.

On July 10, a repository with a PoC exploit for this vulnerability appeared on GitHub, as well as a video demonstrating how an attacker can launch processes on the attacked SharePoint server. A GitHub search by CVE number does not find a repository with the exploit, but a link is available in the The Hacker News article. Exploit also relates to the July SharePoint RCEs CVE-2024-38023 and CVE-2024-38024.

On October 22, the vulnerability was added to the CISA KEV, which means it was exploited in the wild.

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The severity of the Elevation of Privilege – Windows Kernel-Mode Driver (CVE-2024-35250) vulnerability has increased

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The severity of the Elevation of Privilege - Windows Kernel-Mode Driver (CVE-2024-35250) vulnerability has increased

The severity of the Elevation of Privilege – Windows Kernel-Mode Driver (CVE-2024-35250) vulnerability has increased. This vulnerability was fixed as part of the June Microsoft Patch Tuesday. As in the case of the CVE-2024-30090 vulnerability, it was discovered by a researcher with the nickname Angelboy from DEVCORE. And it also affects the Kernel Streaming framework, and specifically its core component – the ks.sys driver. Angelboy wrote about this vulnerability in a post on August 23.

On October 13, a PoC of the exploit, released by user varwara, appeared on GitHub. The repository also contains a video demonstrating the launch of the exploit and obtaining System privileges.

Updates are available for Windows 10 and 11, and Windows Server from 2008 to 2022.

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