CVE-2018-1100 describes a stack-based buffer overflow in the checkmailpath function of Zsh versions up to 5.4.2, affecting canonical, Red Hat, and Zsh distributions. This vulnerability carries a high CVSS score of 7.8, indicating that a local attacker with low privileges can easily execute arbitrary code, leading to high impacts on confidentiality, integrity, and availability. Despite its severity, there is no known exploit intelligence, such as Metasploit modules or ExploitDB entries, and it is not listed in the KEV catalog. Furthermore, the vulnerability has garnered minimal community discussion and media coverage, suggesting a low level of public awareness or active exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.4.2CPE matchmatch criteria | cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:* | ||
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:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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.