#VU66820 Use-after-free in Simple DirectMedia Layer - CVE-2022-34568

Vulnerability identifier: #VU66820

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-34568

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Simple DirectMedia Layer
Client/Desktop applications / Multimedia software

Vendor: zlib license

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the XFree() function in video/x11/SDL_x11yuv.c. A remote attacker can pass specially crafted input to the library, trigger a use-after-free error and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Simple DirectMedia Layer: 1.2.0 - 1.2.15

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External links
https://github.com/libsdl-org/SDL-1.2/issues/863

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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.