vulnerability
Red Hat: CVE-2021-23177: CVE-2021-23177 libarchive: extracting a symlink with ACLs modifies ACLs of target (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:M/Au:N/C:C/I:C/A:P) | Mar 15, 2022 | Mar 16, 2022 | Mar 27, 2026 |
Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:P)
Published
Mar 15, 2022
Added
Mar 16, 2022
Modified
Mar 27, 2026
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.
Solutions
redhat-upgrade-bsdcat-debuginforedhat-upgrade-bsdcpio-debuginforedhat-upgrade-bsdtarredhat-upgrade-bsdtar-debuginforedhat-upgrade-libarchiveredhat-upgrade-libarchive-debuginforedhat-upgrade-libarchive-debugsourceredhat-upgrade-libarchive-devel
Rapid7 Labs
2026 Global Threat Landscape Report
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