Remote code execution in Free Lossless Audio Codec (FLAC)



Published: 2023-09-11
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-22219
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		FLAC
Client/Desktop applications / Multimedia software

Vendor xiph.org

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU80634

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-22219

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the bitwriter_grow_ in() function. A remote attacker can pass specially crafted input to the application, trigger memory corruption 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

FLAC: 1.2.0 - 1.3.4

External links

http://github.com/xiph/flac/issues/215


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.



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