RCE in Pacman Project
CVE-2019-18182
pacman before 5.2 is vulnerable to arbitrary command injection in conf.c in the download_with_xfercommand() function. This can be exploited when unsigned databases are used. To exploit the vulnerability, the user must enable a non-default XferCommand and retrieve an attacker-controlled crafted database and package.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Pacman Project
- Fedoraproject Fedora — versions 30, 31, 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.archlinux.org/pacman.git/tree/src/pacman/conf.c (Exploit, Third Party Advisory)
- git.archlinux.org/pacman.git/commit/ (Patch, Third Party Advisory)
- github.com/alpinelinux/alpine-secdb/blob/master/v3.11/community.yaml (Third Party Advisory, Release Notes)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-18182?
- CVE-2019-18182 is a critical-severity vulnerability in Pacman Project, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-02-24.
- How severe is CVE-2019-18182?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-18182 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.