Remote code execution in Freeware Advanced Audio Decoder

1) Heap-based buffer overflow

EUVDB-ID: #VU63801

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32272

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in the stszin() function located in mp4read.c. A remote attacker can trick the victim to open a specially crafted file and execute code on the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Freeware Advanced Audio Decoder: 1.1 - 2.0

External links

http://github.com/knik0/faad2/issues/57
http://github.com/knik0/faad2/commit/1b71a6ba963d131375f5e489b3b25e36f19f3f24
http://www.debian.org/security/2022/dsa-5109

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.