CVE-2017-7358 is a directory traversal vulnerability in LightDM through version 1.22.0, specifically within the debian/guest-account.sh script, affecting Canonical LightDM and Ubuntu Linux. This flaw allows a local attacker to own arbitrary directory paths and escalate privileges to root when a guest user logs out. Rated with a CVSS score of 7.3 (HIGH), it requires local access and user interaction (UI:R), but can lead to high confidentiality, integrity, and availability impacts. While not listed in CISA's KEV catalog and lacking significant community discussion or media coverage, an exploit is publicly available on ExploitDB.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.22.0CPE matchmatch criteria | cpe:2.3:a:lightdm_project:lightdm:*:*:*:*:*:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
16.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.