Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2021-31566: An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | bsdcpio | 0:3.1.2-14.amzn2.0.3 |
| Amazon Linux · 2 | bsdtar | 0:3.1.2-14.amzn2.0.3 |
| Amazon Linux · 2 | libarchive | 0:3.1.2-14.amzn2.0.3 |
| Amazon Linux · 2 | libarchive-debuginfo | 0:3.1.2-14.amzn2.0.3 |
| Amazon Linux · 2 | libarchive-devel | 0:3.1.2-14.amzn2.0.3 |
Vulnerabilities 1
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Unscored —
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2021-31566.html