SB2020042376 - Security restrictions bypass in Undertow
Published: April 23, 2020
Security Bulletin ID
SB2020042376
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-2020-1757)
The vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to insufficient validation of user-supplied input in Servlet container that causes the servletPath to incorrectly normalize data by truncating the path after semicolon. A remote attacker can pass specially crafted input to the application and bypass security restrictions
Remediation
Install update from vendor's website.