Improper input validation in Mozilla Firefox - CVE-2018-5124

 

Improper input validation in Mozilla Firefox - CVE-2018-5124

Published: January 29, 2018 / Updated: January 30, 2018


Vulnerability identifier: #VU10327
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2018-5124
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to absent sanitization of the output in the browser UI when processing HTML fragments created for chrome-privileged documents. A remote attacker can create a specially crafted web page, trick the victim into opening it and execute arbitrary code on the target system.

How to mitigate CVE-2018-5124

Update to version 58.0.1.

Sources