CVE-2020-21047

Published: Aug 22, 2023Modified: Nov 21, 2024

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

Description

The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.

Affected (1)

Products: Elfutils Project: Elfutils

Elfutils Project

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Elfutils Project Elfutils	Version 0.177

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (6)

https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html

Source: cve@mitre.org

https://sourceware.org/bugzilla/show_bug.cgi?id=25068

Source: cve@mitre.org

Issue Tracking

https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8

Source: cve@mitre.org

https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html

Source: af854a3a-2127-422b-91ae-364da2661108

https://sourceware.org/bugzilla/show_bug.cgi?id=25068

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking

https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8

Source: af854a3a-2127-422b-91ae-364da2661108

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