QID 355055

Date Published: 2023-05-18

QID 355055: Amazon Linux Security Advisory for libarchive : AL2012-2022-379

Package updates are available for Amazon Linux 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. 2024237: CVE-2021-31566 libarchive: symbolic links incorrectly followed when changing modes, times, ACL and flags of a file while extracting an archive

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

CVSS V3 rated as High - 7.8 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

Administrators are advised to apply the appropriate software updates.

Vendor References

CVEs related to QID 355055

CVE-2021-31566 |

Software Advisories

Advisory ID	Software	Component	Link
AL2012-2022-379	Amazon Linux Bare Metal		docs.aws.amazon.com/AWSEC2/latest/UserGuide/install-updates.html

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