#VU29724 Resource management error


Published: 2020-07-14 | Updated: 2020-07-15

Vulnerability identifier: #VU29724

Vulnerability risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-13934

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 when processing h2 direct connections. A remote attacker can pass specially crafted HTTP/2 requests to the server and consume all available memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Tomcat: 10.0.0-M1 - 10.0.0.0-M1, 9.0.0 - 9.0.36, 8.5.1 - 8.5.56


CPE

External links
http://seclists.org/oss-sec/2020/q3/25
http://tomcat.apache.org/security-10.html
http://tomcat.apache.org/security-9.html
http://tomcat.apache.org/security-8.html


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability