Path Equivalence: 'file.Name' (Internal Dot) leading to Remote Code Execution and/or Information disclosure and/or malicious content added to uploaded files via write enabled Default Servlet in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.2, from 10.1.0-M1 through 10.1.34, from 9.0.0.M1 through 9.0.98. If all of the following were true, a malicious user was able to view security sensitive files and/or inject content into those files: - writes enabled for the default servlet (disabled by default) - support for partial PUT (enabled by default) - a target URL for security sensitive uploads that was a sub-directory of a target URL for public uploads - attacker knowledge of the names of security sensitive files being uploaded - the security sensitive files also being uploaded via partial PUT If all of the following were true, a malicious user was able to perform remote code execution: - writes enabled for the default servlet (disabled by default) - support for partial PUT (enabled by default) - application was using Tomcat's file based session persistence with the default storage location - application included a library that may be leveraged in a deserialization attack Users are recommended to upgrade to version 11.0.3, 10.1.35 or 9.0.99, which fixes the issue.
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "priority_reason": "exploit available", "binaries": [ { "binary_name": "libtomcat9-embed-java", "binary_version": "9.0.16-3ubuntu0.18.04.2+esm6" }, { "binary_name": "libtomcat9-java", "binary_version": "9.0.16-3ubuntu0.18.04.2+esm6" }, { "binary_name": "tomcat9", "binary_version": "9.0.16-3ubuntu0.18.04.2+esm6" }, { "binary_name": "tomcat9-admin", "binary_version": "9.0.16-3ubuntu0.18.04.2+esm6" }, { "binary_name": "tomcat9-common", "binary_version": "9.0.16-3ubuntu0.18.04.2+esm6" }, { "binary_name": "tomcat9-docs", "binary_version": "9.0.16-3ubuntu0.18.04.2+esm6" }, { "binary_name": "tomcat9-examples", "binary_version": "9.0.16-3ubuntu0.18.04.2+esm6" }, { "binary_name": "tomcat9-user", "binary_version": "9.0.16-3ubuntu0.18.04.2+esm6" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "priority_reason": "exploit available", "binaries": [ { "binary_name": "libtomcat9-embed-java", "binary_version": "9.0.31-1ubuntu0.9+esm1" }, { "binary_name": "libtomcat9-java", "binary_version": "9.0.31-1ubuntu0.9+esm1" }, { "binary_name": "tomcat9", "binary_version": "9.0.31-1ubuntu0.9+esm1" }, { "binary_name": "tomcat9-admin", "binary_version": "9.0.31-1ubuntu0.9+esm1" }, { "binary_name": "tomcat9-common", "binary_version": "9.0.31-1ubuntu0.9+esm1" }, { "binary_name": "tomcat9-docs", "binary_version": "9.0.31-1ubuntu0.9+esm1" }, { "binary_name": "tomcat9-examples", "binary_version": "9.0.31-1ubuntu0.9+esm1" }, { "binary_name": "tomcat9-user", "binary_version": "9.0.31-1ubuntu0.9+esm1" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "priority_reason": "exploit available", "binaries": [ { "binary_name": "libtomcat9-embed-java", "binary_version": "9.0.58-1ubuntu0.2+esm2" }, { "binary_name": "libtomcat9-java", "binary_version": "9.0.58-1ubuntu0.2+esm2" }, { "binary_name": "tomcat9", "binary_version": "9.0.58-1ubuntu0.2+esm2" }, { "binary_name": "tomcat9-admin", "binary_version": "9.0.58-1ubuntu0.2+esm2" }, { "binary_name": "tomcat9-common", "binary_version": "9.0.58-1ubuntu0.2+esm2" }, { "binary_name": "tomcat9-docs", "binary_version": "9.0.58-1ubuntu0.2+esm2" }, { "binary_name": "tomcat9-examples", "binary_version": "9.0.58-1ubuntu0.2+esm2" }, { "binary_name": "tomcat9-user", "binary_version": "9.0.58-1ubuntu0.2+esm2" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "priority_reason": "exploit available", "binaries": [ { "binary_name": "libtomcat10-embed-java", "binary_version": "10.1.16-1ubuntu0.1~esm1" }, { "binary_name": "libtomcat10-java", "binary_version": "10.1.16-1ubuntu0.1~esm1" }, { "binary_name": "tomcat10", "binary_version": "10.1.16-1ubuntu0.1~esm1" }, { "binary_name": "tomcat10-admin", "binary_version": "10.1.16-1ubuntu0.1~esm1" }, { "binary_name": "tomcat10-common", "binary_version": "10.1.16-1ubuntu0.1~esm1" }, { "binary_name": "tomcat10-docs", "binary_version": "10.1.16-1ubuntu0.1~esm1" }, { "binary_name": "tomcat10-examples", "binary_version": "10.1.16-1ubuntu0.1~esm1" }, { "binary_name": "tomcat10-user", "binary_version": "10.1.16-1ubuntu0.1~esm1" } ] }