#VU27296 Input validation error in Undertow - CVE-2020-1757

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Main Vulnerability Database Vulnerabilities #VU27296

#VU27296 Input validation error in Undertow - CVE-2020-1757

Published: April 23, 2020


Vulnerability identifier: #VU27296
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-1757
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Undertow
Software vendor:
Red Hat Inc.

Description

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 updates from vendor's website.

External links