SB2021010612 - Input validation error in URI.js
Published: January 6, 2021
Security Bulletin ID
SB2021010612
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) Input validation error (CVE-ID: CVE-2020-26291)
The vulnerability allows a remote attacker to perform spoofing attacks.
The vulnerability exists due to insufficient validation of user-supplied hostname. the hostname can be spoofed by using a backslash (\) character followed by an at (@)
character. If the hostname is used in security decisions, the decision
may be incorrect. Depending on library usage and attacker intent,
impacts may include allow/block list bypasses, SSRF attacks, open
redirects, or other undesired behavior.
Remediation
Install update from vendor's website.