SB2018013103 - Ubuntu update for Firefox
Published: January 31, 2018
Security Bulletin ID
SB2018013103
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-5124)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
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.
Remediation
Install update from vendor's website.