#VU76087 Division by zero in MPlayer - CVE-2022-38865

Vulnerability identifier: #VU76087

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-38865

CWE-ID: CWE-369

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MPlayer
Other software / Other software solutions

Vendor: mplayerhq.hu

Description

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

The vulnerability exists due to a division by zero error within the demux_avi_read_packet() function in libmpdemux/demux_avi.c. A remote attacker can trick the victim to open a specially crafted file, trigger a divide by zero error and crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MPlayer: 1.0 rc1 - 1.5

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External links
https://trac.mplayerhq.hu/ticket/2401
https://lists.debian.org/debian-lts-announce/2022/12/msg00042.html

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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.