CVE-2021-31566
libarchive
HIGH 7.8
At a glance
- Source
- NVD
- EPSS
- EPSS 0.39 % · percentile 33 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
Description
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.
Weaknesses (CWE)
- CWE-59 — Improper Link Resolution Before File Access
References
- https://github.com/libarchive/libarchive/issues/1566
- https://github.com/libarchive/libarchive/commit/b41daecb5ccb4c8e3b2c53fd6147109fc12c3043
- https://bugzilla.redhat.com/show_bug.cgi?id=2024237
- https://access.redhat.com/security/cve/CVE-2021-31566
- https://lists.debian.org/debian-lts-announce/2022/11/msg00030.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-18460
- GCVE · GCVE-0-2021-31566
CERT-FR advisories
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0701 — Multiples vulnérabilités dans Splunk · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0428 — Multiples vulnérabilités dans les produits Splunk · cert.ssi.gouv.fr
- CERTFR-2022-AVI-683 — Multiples vulnérabilités dans IBM QRadar SIEM · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*< 3.5.2cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*≥ 8.2.0 < 8.2.12cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*≥ 9.0.0 < 9.0.6cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| libarchive | affected Fixed in libarchive 3.5.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |