#VU93732 Resource management error in Apache Tomcat - CVE-2024-34750

Vulnerability identifier: #VU93732

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-2024-34750

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

---

External links
https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.90
https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.25
https://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.

Is there known malware, which exploits this vulnerability?

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