CVE-2018-5118 is a medium-severity vulnerability affecting Firefox versions prior to 58, as well as Canonical Firefox and Ubuntu Linux. It involves the Activity Stream page attempting to load screenshot images from local file system "file:" URLs, potentially exposing local data if combined with a sandbox escape. The CVSS score is 5.3, indicating a network-based attack with low impact on confidentiality and no impact on integrity or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 57.0.4CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
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:*:*:* | ||
17.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* | ||
< 58CPE match | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.