#VU101669 Resource management error in Undertow - CVE-2024-4109

Vulnerability identifier: #VU101669

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-4109

CWE-ID: CWE-399

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 gain access to sensitive information.

The vulnerability exists due to incorrect handling of HTTP/2 requests when reusing connections, which results in parts of data from previous connection to be included into new responses. A remote attacker can send an HTTP/2 request to the server and gain access to potentially sensitive information.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Undertow: 2.0.0.Alpha1 - 2.3.18

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=2272325

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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.