CVE-2018-0502 describes a critical vulnerability in zsh versions prior to 5.6, where a malformed shebang line in a script could lead to the execution of an unintended program named on the second line. This flaw carries a CVSS score of 9.8 (CRITICAL), indicating that it is remotely exploitable with low attack complexity, requiring no user interaction, and can result in complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, no publicly available exploit code in common repositories like Metasploit or ExploitDB, and minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
18.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | ||
< 5.6CPE matchmatch criteria | cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.