Resource exhaustion in Undertow - CVE-2024-3653

 

Resource exhaustion in Undertow - CVE-2024-3653

Published: August 15, 2024


Vulnerability identifier: #VU96051
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-3653
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Red Hat Inc.
Affected software:
Undertow

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect handling of requests within the LearningPushHandler. A remote attacker can send specially crafted requests to the web server and consume available memory, leading to a denial of service.

Successful exploitation of the vulnerability requires that the learning-push handler is enabled (disabled by default).


How to mitigate CVE-2024-3653

Install updates from vendor's website.

Sources