SB2020112920 - Improper Interaction Between Multiple Correctly-Behaving Entities in firefox (Alpine package)
Published: November 29, 2020
Security Bulletin ID
SB2020112920
Severity
Low
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) Improper Interaction Between Multiple Correctly-Behaving Entities (CVE-ID: CVE-2020-26962)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists in the way cross-origin iframes supported login autofill is being performed. Cross-origin iframes that contained a login form could have been recognized by the login autofill service and populated. This could have been used in clickjacking attacks, as well as be read across partitions in dynamic first party isolation.
Remediation
Install update from vendor's website.