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Ubuntu: USN-5291-1 (CVE-2021-23177): libarchive vulnerabilities

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Ubuntu: USN-5291-1 (CVE-2021-23177): libarchive vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/23/2022
Created
03/29/2023
Added
03/22/2023
Modified
03/22/2023

Description

An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. 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 change the ACL of a file on the system and gain more privileges.

Solution(s)

  • ubuntu-upgrade-libarchive13

References

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