Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Elfutils Project | Elfutils | 0.177 |
Related Weaknesses (CWE)
References
- https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html
- https://sourceware.org/bugzilla/show_bug.cgi?id=25068Issue Tracking
- https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b
- https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html
- https://sourceware.org/bugzilla/show_bug.cgi?id=25068Issue Tracking
- https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b
FAQ
What is CVE-2020-21047?
CVE-2020-21047 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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), ...
How severe is CVE-2020-21047?
CVE-2020-21047 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-21047?
Check the references section above for vendor advisories and patch information. Affected products include: Elfutils Project Elfutils.