Out-of-bounds Write Affecting elfutils package, versions <0.170-0.4ubuntu0.1+esm1
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Test your applications- Snyk ID SNYK-UBUNTU1804-ELFUTILS-5855115
- published 24 Aug 2023
- disclosed 22 Aug 2023
Introduced: 22 Aug 2023
CVE-2020-21047 Open this link in a new tabHow to fix?
Upgrade Ubuntu:18.04
elfutils
to version 0.170-0.4ubuntu0.1+esm1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream elfutils
package and not the elfutils
package as distributed by Ubuntu
.
See How to fix?
for Ubuntu:18.04
relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-21047
- https://sourceware.org/bugzilla/show_bug.cgi?id=25068
- https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=99dc63b10b3878616b85df2dfd2e4e7103e414b8
- https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html
- https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8