CVE-2017-7768

NameCVE-2017-7768
DescriptionThe Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the local system by convincing the service that it is reading a status file provided by the Mozilla Windows Updater. The Mozilla Maintenance Service executes with privileged access, bypassing system protections against unprivileged users. 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid69.0-1fixed
firefox-esr (PTS)jessie52.8.1esr-1~deb8u1fixed
jessie (security)60.9.0esr-1~deb8u1fixed
stretch60.7.1esr-1~deb9u1fixed
stretch (security)60.9.0esr-1~deb9u1fixed
buster60.8.0esr-1~deb10u1fixed
buster (security)60.9.0esr-1~deb10u1fixed
bullseye60.8.0esr-1fixed
sid68.1.0esr-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)(not affected)
firefox-esrsource(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-2017-7768
https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7768

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