CVE-2019-18183 is a critical arbitrary command injection vulnerability affecting pacman before version 5.2, specifically within the apply_deltas() function in lib/libalpm/sync.c. This flaw impacts Fedora Project's pacman and related distributions. With a CVSS score of 9.8 (CRITICAL), this vulnerability has a network attack vector, low attack complexity, and can lead to complete compromise of confidentiality, integrity, and availability. Exploitation requires the use of unsigned databases, the non-default delta feature to be enabled, and the user to retrieve an attacker-controlled crafted database and delta file. Despite its high severity, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating a lack of widespread attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.2CPE matchmatch criteria | cpe:2.3:a:pacman_project:pacman:*:*:*:*:*:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.