Denial of service in Apache Tomcat

1) Data Handling

EUVDB-ID: #VU63225

Risk: Low

CVSSv4.0: 2.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-29885

CWE-ID: CWE-19 - Data Handling

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform DoS attack.

The vulnerability exists due to an error in documentation for the EncryptInterceptor, which incorrectly stated that it enabled Tomcat clustering to run over an untrusted network. A remote attacker can perform a denial of service attack against the exposed EncryptInterceptor.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Tomcat: 8.5.38 - 10.1.0-M14

CPE2.3

• cpe:2.3:a:apache_foundation:apache_tomcat:8.5.78:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:9.0.62:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:10.0.20:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:10.1.0-M14:*:*:*:*:*:*:*

External links

https://lists.apache.org/thread/2b4qmhbcyqvc7dyfpjyx54c03x65vhcv
https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.79
https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.63
https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.21

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. However, proof of concept for this vulnerability is available.