![]() ![]() Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.If the AJP service does not need to be publicly accessible, ensure that access is filtered.This leads to a false positive case, when in most cases, it is not a false positive. If the AJP service is not required, disable it on the host. The following default files were found : /docs/ /nessus-check/default-404-error-page.html This often creates confusion because when those directories are checked, those files do not exist there.Apply the patches provided by Apache after appropriate testing.Mitigation: The following actions are recommended: Apache Tomcat 6.x versions (End of life, not patched).Apache Tomcat 7.x versions less than 7.0.100.Apache Tomcat 8.x versions less than 8.5.51.From 8.5.x onwards this header is not set by default. Apache Tomcat 9.x versions less than 9.0.31 The default value of this header for Tomcat 4.1.x to 8.0.x is Apache-Coyote/1.1.This header can provide useful information to both legitimate clients and attackers. Apache Tomcat/9.0), the name of the JVM vendor and the version of the JVM. APACHE TOMCAT DEFAULT FILES VULNERABILITY FULLIf this application has been configured to have fewer user rights on the system, exploitation of the most severe of these vulnerabilities could have less impact than if it was configured with administrative rights. Start the Tomcat and ensure it’s running with tomcat user. If sent, the value of the header contains the Servlet and JSP specification versions, the full Tomcat version (e.g. APACHE TOMCAT DEFAULT FILES VULNERABILITY INSTALLDepending on the privileges associated with the application, an attacker could install programs view, change, or delete data or create new accounts with full user rights. ![]() Impact: Successful exploitation of the vulnerability could allow an attacker to read arbitrary files on the affected server. If the server is running a web application that allows for file uploads, a remote file inclusion vulnerability becomes exploitable, that could allow for remote code execution. The vulnerability can be exploited by an attacker who can communicate with the affected AJP protocol service. The vulnerability is Nessus Plugin 12085 and the solution is to delete the default index page and remove the example JSP and servlets. The vulnerability exists in the AJP protocol, which is by default exposed over TCP port 8009 and enabled. Follow the Tomcat or OWASP instructions to replace or modify the default error page. Below are those vulnerabilities - Delete the default index page and remove the example JSP and servlets. Subject: A Vulnerability in Apache Tomcat Could Allow for Arbitrary File Reading (CVE-2020-1938)ĭescription: A vulnerability has been discovered in Apache Tomcat, which could allow for reading of arbitrary files on the affected system. It has recently report few vulnerabilities from servers where CA TDM portal is installed. ![]()
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