#VU60243 Resource management error in Undertow - CVE-2021-3859

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Main Vulnerability Database Vulnerabilities #VU60243

#VU60243 Resource management error in Undertow - CVE-2021-3859

Published: February 2, 2022 / Updated: February 3, 2022


Vulnerability identifier: #VU60243
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3859
CWE-ID: CWE-399
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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of client side invocation timeout within the application when handling HTTP/2 requests. A remote attacker can send specially crafted requests to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links