| Name | CVE-2017-7767 |
| Description | The Mozilla Maintenance Service can be invoked by an unprivileged user to overwrite arbitrary files with junk data using the Mozilla Windows Updater, which runs with the Maintenance Service's privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| firefox (PTS) | sid | 120.0.1-1 | fixed |
| firefox-esr (PTS) | buster | 91.12.0esr-1~deb10u1 | fixed |
| buster (security) | 115.5.0esr-1~deb10u1 | fixed |
| bullseye | 102.15.0esr-1~deb11u1 | fixed |
| bullseye (security) | 115.5.0esr-1~deb11u1 | fixed |
| bookworm | 102.15.1esr-1~deb12u1 | fixed |
| bookworm (security) | 115.5.0esr-1~deb12u1 | fixed |
| sid, trixie | 115.5.0esr-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| firefox | source | (unstable) | (not affected) | | | |
| firefox-esr | source | (unstable) | (not affected) | | | |
Notes
- firefox <not-affected> (Only Firefox on Windows)
- firefox-esr <not-affected> (Only Firefox ESR on Windows)
https://www.mozilla.org/en-US/security/advisories/mfsa2017-15/#CVE-2017-7767
https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7767