#VU96052 Resource exhaustion in Undertow - CVE-2024-5971

Vulnerability identifier: #VU96052

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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-2024-5971

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Undertow
Server applications / Web servers

Vendor: Red Hat Inc.

Description

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

The vulnerability exists due to response writes hand when using Java 17 TLSv1.3 NewSessionTicket. A remote attacker can perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Undertow: 2.2.0 - 2.2.33

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2292211
https://github.com/undertow-io/undertow/releases/tag/2.2.34.Final
https://issues.redhat.com/browse/UNDERTOW-2413

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.