#VU84693 Heap-based buffer overflow in gst-plugins-bad - CVE-2023-50186

Vulnerability identifier: #VU84693

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-50186

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
gst-plugins-bad
Other software / Other software solutions

Vendor: GStreamer

Description

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

The vulnerability exists due to a boundary error in the AV1 codec parser. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

gst-plugins-bad: 0.9.1 - 1.22.7

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External links
https://gstreamer.freedesktop.org/security/sa-2023-0011.html
https://www.zerodayinitiative.com/advisories/ZDI-24-368/

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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.