CVE-2021-23177
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-23177
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-23177.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-23177
- Downstream
- Related
- Published
- 2022-08-23T16:15:09Z
- Modified
- 2025-07-01T12:02:17.094439Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2024245
- https://github.com/libarchive/libarchive/commit/fba4f123cc456d2b2538f811bb831483bf336bad
- https://github.com/libarchive/libarchive/issues/1565
- https://access.redhat.com/security/cve/CVE-2021-23177
- https://security-tracker.debian.org/tracker/CVE-2021-23177
Affected packages
Debian:11 / libarchive
Package
- Name
- libarchive
- Purl
- pkg:deb/debian/libarchive?arch=source
Debian:12 / libarchive
Package
- Name
- libarchive
- Purl
- pkg:deb/debian/libarchive?arch=source
Debian:13 / libarchive
Package
- Name
- libarchive
- Purl
- pkg:deb/debian/libarchive?arch=source