Vulnerability Description
pacman before 5.2 is vulnerable to arbitrary command injection in lib/libalpm/sync.c in the apply_deltas() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable the non-default delta feature and retrieve an attacker-controlled crafted database and delta file.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pacman Project | Pacman | < 5.2 |
| Fedoraproject | Fedora | 30 |
Related Weaknesses (CWE)
References
- https://git.archlinux.org/pacman.git/commit/?id=c0e9be7973be6c81b22fde91516fb899PatchThird Party Advisory
- https://git.archlinux.org/pacman.git/tree/lib/libalpm/sync.c?h=v5.1.3#n767ExploitThird Party Advisory
- https://github.com/alpinelinux/alpine-secdb/blob/master/v3.11/community.yamlRelease NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://git.archlinux.org/pacman.git/commit/?id=c0e9be7973be6c81b22fde91516fb899PatchThird Party Advisory
- https://git.archlinux.org/pacman.git/tree/lib/libalpm/sync.c?h=v5.1.3#n767ExploitThird Party Advisory
- https://github.com/alpinelinux/alpine-secdb/blob/master/v3.11/community.yamlRelease NotesThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2019-18183?
CVE-2019-18183 is a vulnerability with a CVSS score of 9.8 (CRITICAL). pacman before 5.2 is vulnerable to arbitrary command injection in lib/libalpm/sync.c in the apply_deltas() function. This can be exploited when unsigned databases are used. To exploit the vulnerabilit...
How severe is CVE-2019-18183?
CVE-2019-18183 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-18183?
Check the references section above for vendor advisories and patch information. Affected products include: Pacman Project Pacman, Fedoraproject Fedora.