#VU79186 Input validation error in Microsoft products - CVE-2023-29330

Vulnerability identifier: #VU79186

Vulnerability risk: High

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

CVE-ID: CVE-2023-29330

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Teams for iOS
Mobile applications / Apps for mobile phones
Microsoft Teams for Mac
Mobile applications / Apps for mobile phones
Microsoft Teams for Desktop
Mobile applications / Apps for mobile phones
Microsoft Teams for Android
Mobile applications / Apps for mobile phones

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft Teams. A remote attacker can trick a victim to join a malicious Microsoft Teams meeting and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Teams for iOS: All versions

Microsoft Teams for Mac: All versions

Microsoft Teams for Desktop: All versions

Microsoft Teams for Android: All versions

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-29330

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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.