CVE-2017-7760

Name	CVE-2017-7760
Description	The Mozilla Windows updater modifies some files to be updated by reading the original file and applying changes to it. The location of the original file can be altered by a malicious user by passing a special path to the callback parameter through the Mozilla Maintenance Service, allowing the manipulation of files in the installation directory and privilege escalation by manipulating the Mozilla Maintenance Service, which has 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	125.0.1-2	fixed
firefox-esr (PTS)	buster	91.12.0esr-1~deb10u1	fixed
	buster (security)	115.10.0esr-1~deb10u1	fixed
	bullseye	115.7.0esr-1~deb11u1	fixed
	bullseye (security)	115.10.0esr-1~deb11u1	fixed
	bookworm	115.7.0esr-1~deb12u1	fixed
	bookworm (security)	115.10.0esr-1~deb12u1	fixed
	trixie	115.8.0esr-1	fixed
	sid	115.10.0esr-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-2017-7760
https://www.mozilla.org/en-US/security/advisories/mfsa2017-16/#CVE-2017-7760