SB2020010949 - Code Injection in firefox-esr (Alpine package)
Published: January 9, 2020
Security Bulletin ID
SB2020010949
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Code Injection (CVE-ID: CVE-2019-17016)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improper input validation when pasting a tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration.
Remediation
Install update from vendor's website.