#VU81800 Resource management error in Apache Tomcat - CVE-2023-42795
Published: October 10, 2023 / Updated: November 1, 2023
Vulnerability identifier: #VU81800
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-42795
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Apache Tomcat
Apache Tomcat
Software vendor:
Apache Foundation
Apache Foundation
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improper management of internal resources within the application when recycling various internal objects. A remote attacker can force Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next.
Remediation
Install updates from vendor's website.
External links
- https://lists.apache.org/thread/065jfyo583490r9j2v73nhpyxdob56lw
- https://github.com/apache/tomcat/commit/d6db22e411307c97ddf78315c15d5889356eca38
- https://github.com/apache/tomcat/commit/9375d67106f8df9eb9d7b360b2bef052fe67d3d4
- https://github.com/apache/tomcat/commit/44d05d75d696ca10ce251e4e370511e38f20ae75
- https://github.com/apache/tomcat/commit/30f8063d7a9b4c43ae4722f5e382a76af1d7a6bf