CVE-2017-7767

EPSS 0.3%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Jun 2018Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

Affected products

Mozilla · Firefox Mozilla · Firefox ESR

References

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/http://www.securityfocus.com/bid/99057 http://www.securitytracker.com/id/1038689