Multiple vulnerabilities in Microsoft Windows Themes



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-21320
CVE-2024-20691
CWE-ID CWE-451
CWE-362
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Spoofing attack

EUVDB-ID: #VU85228

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-21320

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in the Windows Themes. A remote attacker can trick a victim to manipulate a specially crafted file and spoof page content.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 23H2 10.0.22631.2428

Windows Server: 2012 - 2022 23H2

CPE2.3 External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21320


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Race condition

EUVDB-ID: #VU85229

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-20691

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitvie information.

The vulnerability exists due to a race condition in the Windows Themes. A local user can exploit the race and gain unauthorized access to sensitive information on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 23H2 10.0.22631.2428

Windows Server: 2008 R2 - 2022 23H2

CPE2.3 External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-20691


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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