SB2020121561 - Spoofing attack in firefox (Alpine package)
Published: December 15, 2020
Security Bulletin ID
SB2020121561
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Spoofing attack (CVE-ID: CVE-2020-26977)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain.
Remediation
Install update from vendor's website.