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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2987-1 libarchive security update
Debian DLA Debian DLA DLA-3202-1 libarchive security update
EUVD EUVD EUVD-2021-10287 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.
Ubuntu USN Ubuntu USN USN-5291-1 libarchive vulnerabilities
Fixes

Solution

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-03T19:05:55.631Z

Reserved: 2021-12-16T00:00:00

Link: CVE-2021-23177

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-08-23T16:15:09.280

Modified: 2024-11-21T05:51:19.970

Link: CVE-2021-23177

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-08-21T00:00:00Z

Links: CVE-2021-23177 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses