Vulnerability identifier: #VU67597

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-29503

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
uClibC-ng
Universal components / Libraries / Libraries used by multiple products

Vendor: uclibc-ng.org

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 pthread linuxthreads.old functionality. A remote attacker can 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

uClibC-ng: 1.0.0 - 1.0.40

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External links
http://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1517

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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.