CVE-2016-5293
MEDIUMFirefox < 50 - Arbitrary Local File Write via Updater Log File Hardlink
Title source: llmDescription
When the Mozilla Updater is run, if the Updater's log file in the working directory points to a hardlink, data can be appended to an arbitrary local file. This vulnerability requires local system access. Note: this issue only affects Windows operating systems. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50.
References (6)
Core 6
Core References
Issue Tracking x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1246945
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1037298
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201701-15
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/94336
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2016-89/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2016-90/
Scores
CVSS v3
5.5
EPSS
0.0007
EPSS Percentile
21.8%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-20
Status
published
Products (2)
debian/debian_linux
8.0
mozilla/firefox
< 45.5.0
Published
Jun 11, 2018
Tracked Since
Feb 18, 2026