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.

References

http://www.securityfocus.com/bid/99057

http://www.securitytracker.com/id/1038689

https://bugzilla.mozilla.org/show_bug.cgi?id=1336964

https://www.mozilla.org/security/advisories/mfsa2017-15/

https://www.mozilla.org/security/advisories/mfsa2017-16/

Details

Risk Information

CVSS v2

CVSS v3