Amazon Linux 2 Security Advisory: ALAS-2023-2259
Advisory Release Date: 2023-09-13 23:44 Pacific
Advisory Updated Date: 2023-09-20 19:40 Pacific
Severity:
Medium
Issue Overview:
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. (CVE-2020-21047)
Affected Packages:
elfutils
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update elfutils to update your system.
New Packages:
aarch64:
elfutils-0.176-2.amzn2.0.2.aarch64
elfutils-libs-0.176-2.amzn2.0.2.aarch64
elfutils-devel-0.176-2.amzn2.0.2.aarch64
elfutils-devel-static-0.176-2.amzn2.0.2.aarch64
elfutils-libelf-0.176-2.amzn2.0.2.aarch64
elfutils-libelf-devel-0.176-2.amzn2.0.2.aarch64
elfutils-libelf-devel-static-0.176-2.amzn2.0.2.aarch64
elfutils-debuginfo-0.176-2.amzn2.0.2.aarch64
i686:
elfutils-0.176-2.amzn2.0.2.i686
elfutils-libs-0.176-2.amzn2.0.2.i686
elfutils-devel-0.176-2.amzn2.0.2.i686
elfutils-devel-static-0.176-2.amzn2.0.2.i686
elfutils-libelf-0.176-2.amzn2.0.2.i686
elfutils-libelf-devel-0.176-2.amzn2.0.2.i686
elfutils-libelf-devel-static-0.176-2.amzn2.0.2.i686
elfutils-debuginfo-0.176-2.amzn2.0.2.i686
noarch:
elfutils-default-yama-scope-0.176-2.amzn2.0.2.noarch
src:
elfutils-0.176-2.amzn2.0.2.src
x86_64:
elfutils-0.176-2.amzn2.0.2.x86_64
elfutils-libs-0.176-2.amzn2.0.2.x86_64
elfutils-devel-0.176-2.amzn2.0.2.x86_64
elfutils-devel-static-0.176-2.amzn2.0.2.x86_64
elfutils-libelf-0.176-2.amzn2.0.2.x86_64
elfutils-libelf-devel-0.176-2.amzn2.0.2.x86_64
elfutils-libelf-devel-static-0.176-2.amzn2.0.2.x86_64
elfutils-debuginfo-0.176-2.amzn2.0.2.x86_64