Vulnerability identifier: #VU56634
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
Server applications / Web servers
Vendor: Apache Foundation
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when processing certain TLS packets. A remote attacker can send a specially crafted packet to the application, consume all available system resources and cause denial of service conditions.
Successful exploitation of vulnerability requires that Apache Tomcat is configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS.
Install updates from vendor's website.
Vulnerable software versions
Apache Tomcat: 10.0.0 - 10.0.2, 9.0.0 - 9.0.43, 8.5.0 - 8.5.63
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?