Path traversal in Undertow - CVE-2020-1745

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Main Vulnerability Database Vulnerabilities #VU26052

Path traversal in Undertow - CVE-2020-1745

Published: March 13, 2020


Vulnerability identifier: #VU26052
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1745
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error in AJP connector. A remote attacker can send a specially crafted HTTP request to port 8009/tcp and read arbitrary files on the system.

Note, this vulnerability can lead to system compromise.


Affected software

Undertow
JBoss Enterprise Application Platform
Red Hat Single Sign-On

How to mitigate CVE-2020-1745

Install update from vendor's website.

Undertow - update to 2.0.30
Red Hat Single Sign-On - update to 7.3.7

External References

Related Security Bulletins