CVEvulnerability
CVE-2020-21047
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-08-22
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-787
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 configurations
• elfutils project elfutils 0.177
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html lists.debian.org
- https://sourceware.org/bugzilla/show_bug.cgi?id=25068 Issue Tracking
- https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8 sourceware.org
- https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html lists.debian.org
- https://sourceware.org/bugzilla/show_bug.cgi?id=25068 Issue Tracking
- https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8 sourceware.org
- https://cert-portal.siemens.com/productcert/html/ssa-202008.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html cert-portal.siemens.com