Denial of service in Apache Tomcat

1) Resource management error

EUVDB-ID: #VU93732

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 - Resource Management Errors

Exploit availability: No

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: 9.0.0 - 11.0.0-M20

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

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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