#VU63225 Data Handling in Apache Tomcat
Vulnerability identifier: #VU63225
Vulnerability risk: Low
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-19
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
Apache Tomcat
Server applications /
Web servers
Vendor: Apache Foundation
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 - 8.5.78, 9.0.13 - 9.0.62, 10.0.0-M1 - 10.0.20, 10.1.0-M1 - 10.1.0-M14
External links
http://lists.apache.org/thread/2b4qmhbcyqvc7dyfpjyx54c03x65vhcv
http://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.79
http://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.63
http://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.
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.
