CVE-2022-4170 is a critical remote code execution vulnerability affecting the rxvt-unicode terminal emulator, specifically within its Perl background extension. An attacker can exploit this by controlling data written to a user's terminal when certain options are enabled, impacting various Fedora Project and rxvt-unicode distributions. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity, requiring no user interaction or privileges, and can lead to complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation in the wild (KEV) or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media attention, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
9.25CPE matchmatch criteria | cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.25:*:*:*:*:*:*:* | ||
9.26CPE matchmatch criteria | cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.26:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* | ||
37CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
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.
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.