CVE-2021-31566
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-31566
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-31566.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-31566
- Related
- Published
- 2022-08-23T16:15:09Z
- Modified
- 2024-10-12T07:29:43.606975Z
- 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 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.
- References
-
- https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
- https://bugzilla.redhat.com/show_bug.cgi?id=2024237
- https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043
- https://github.com/libarchive/libarchive/issues/1566
- https://access.redhat.com/security/cve/CVE-2021-31566
- https://security.alpinelinux.org/vuln/CVE-2021-31566
- https://security-tracker.debian.org/tracker/CVE-2021-31566
Affected packages
Alpine:v3.13 / libarchive
Package
- Name
- libarchive
- Purl
- pkg:apk/alpine/libarchive?arch=source
Alpine:v3.14 / libarchive
Package
- Name
- libarchive
- Purl
- pkg:apk/alpine/libarchive?arch=source
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