Vulnerability identifier: #VU93732

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-34750

CWE-ID: CWE-399

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Tomcat
Server applications / Web servers

Vendor: Apache Foundation

Description

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

The vulnerability exists due to improper management of internal resources within the application when handling HTTP/2 stream. A remote attacker can initiate multiple HTTP/2 connections to the server that are remain open and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Tomcat: 10.1.0 - 10.1.24, 9.0.0 - 9.0.89, 11.0.0-M1 - 11.0.0-M20

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External links
http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.90
http://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.25
http://lists.apache.org/thread/hmw3txqzzbc1yp2t5cg4dsws0n92ly0f

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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.