CVE-2017-7768 allows an unprivileged local user on Windows to read the first 32 bytes of any arbitrary file by tricking the Mozilla Maintenance Service into believing it's reading a status file from the Mozilla Windows Updater. This vulnerability affects Firefox ESR versions prior to 52.2 and Firefox versions prior to 54. With a CVSS score of 5.5 (Medium), it requires local system access and low privileges, but no user interaction, leading to a high impact on confidentiality. Despite its age, there is no public exploit code available in common databases like Metasploit or ExploitDB, and it is not listed in CISA's KEV catalog. Community discussion and media coverage are minimal, suggesting low active exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 52.2.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 54.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.