Security News > 2020 > August > Critical Jenkins Server Vulnerability Could Leak Sensitive Information
Jenkins-a popular open-source automation server software-published an advisory on Monday concerning a critical vulnerability in the Jetty web server that could result in memory corruption and cause confidential information to be disclosed.
"Jenkins bundles Winstone-Jetty, a wrapper around Jetty, to act as HTTP and servlet server when started using java -jar jenkins.war. This is how Jenkins is run when using any of the installers or packages, but not when run using servlet containers such as Tomcat," read the advisory.
"The vulnerability may allow unauthenticated attackers to obtain HTTP response headers that may include sensitive data intended for another user."
The flaw, which impacts Jetty and Jenkins Core, appears to have been introduced in Jetty version 9.4.27, which added a mechanism to handle large HTTP response headers and prevent buffer overflows.
Jenkins, which bundles Jetty via a command-line interface called Winstone, has patched the flaw in its utility in Jenkins 2.243 and Jenkins LTS 2.235.5 released yesterday.
News URL
http://feedproxy.google.com/~r/TheHackersNews/~3/CyvNVbkDzzE/jenkins-server-vulnerability.html
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