CVE-2017-7768
MEDIUMFirefox < 52.2.0 - Unauthenticated Exposure of Sensitive Information via Maintenance Service
Title source: llmDescription
The 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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/99057
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-15/
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1038689
Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1336979
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2017-16/
Scores
CVSS v3
5.5
EPSS
0.0005
EPSS Percentile
14.5%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
mozilla/firefox
< 52.2.0
Published
Jun 11, 2018
Tracked Since
Feb 18, 2026