SB2018061146 - Input validation error in Debian Linux

Description

This security bulletin contains information about 1 vulnerability.

1) Input validation error (CVE-ID: CVE-2016-5293)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local authenticated user to manipulate data.

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.

Remediation

Install update from vendor's website.

References

• http://www.securityfocus.com/bid/94336
• http://www.securitytracker.com/id/1037298
• https://bugzilla.mozilla.org/show_bug.cgi?id=1246945
• https://security.gentoo.org/glsa/201701-15
• https://www.mozilla.org/security/advisories/mfsa2016-89/
• https://www.mozilla.org/security/advisories/mfsa2016-90/