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Important: tomcat6, tomcat7, tomcat8

Description

**Issue Overview:** It was discovered that the Tomcat packages installed certain configuration files read by the Tomcat initialization script as writeable to the tomcat group. A member of the group or a malicious web application deployed on Tomcat could use this flaw to escalate their privileges. (CVE-2016-6325) A malicious web application was able to bypass a configured SecurityManager via a Tomcat utility method that was accessible to web applications. (CVE-2016-5018) The Realm implementations did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder. (CVE-2016-0762) When a SecurityManager is configured, a web application's ability to read system properties should be controlled by the SecurityManager. Tomcat's system property replacement feature for configuration files could be used by a malicious web application to bypass the SecurityManager and read system properties that should not be visible. (CVE-2016-6794) A malicious web application was able to bypass a configured SecurityManager via manipulation of the configuration parameters for the JSP Servlet. (CVE-2016-6796) The ResourceLinkFactory did not limit web application access to global JNDI resources to those resources explicitly linked to the web application. Therefore, it was possible for a web application to access any global JNDI resource whether an explicit ResourceLink had been configured or not. (CVE-2016-6797) **Affected Packages:** tomcat6, tomcat7, tomcat8 **Issue Correction:** Run _yum update tomcat6_ to update your system. Run _yum update tomcat7_ to update your system. Run _yum update tomcat8_ to update your system. **New Packages:** noarch:     tomcat6-webapps-6.0.47-1.7.amzn1.noarch     tomcat6-servlet-2.5-api-6.0.47-1.7.amzn1.noarch     tomcat6-jsp-2.1-api-6.0.47-1.7.amzn1.noarch     tomcat6-javadoc-6.0.47-1.7.amzn1.noarch     tomcat6-docs-webapp-6.0.47-1.7.amzn1.noarch     tomcat6-el-2.1-api-6.0.47-1.7.amzn1.noarch     tomcat6-6.0.47-1.7.amzn1.noarch     tomcat6-admin-webapps-6.0.47-1.7.amzn1.noarch     tomcat6-lib-6.0.47-1.7.amzn1.noarch     tomcat7-el-2.2-api-7.0.72-1.21.amzn1.noarch     tomcat7-7.0.72-1.21.amzn1.noarch     tomcat7-admin-webapps-7.0.72-1.21.amzn1.noarch     tomcat7-log4j-7.0.72-1.21.amzn1.noarch     tomcat7-javadoc-7.0.72-1.21.amzn1.noarch     tomcat7-docs-webapp-7.0.72-1.21.amzn1.noarch     tomcat7-jsp-2.2-api-7.0.72-1.21.amzn1.noarch     tomcat7-lib-7.0.72-1.21.amzn1.noarch     tomcat7-webapps-7.0.72-1.21.amzn1.noarch     tomcat7-servlet-3.0-api-7.0.72-1.21.amzn1.noarch     tomcat8-el-3.0-api-8.0.38-1.65.amzn1.noarch     tomcat8-admin-webapps-8.0.38-1.65.amzn1.noarch     tomcat8-log4j-8.0.38-1.65.amzn1.noarch     tomcat8-lib-8.0.38-1.65.amzn1.noarch     tomcat8-8.0.38-1.65.amzn1.noarch     tomcat8-servlet-3.1-api-8.0.38-1.65.amzn1.noarch     tomcat8-jsp-2.3-api-8.0.38-1.65.amzn1.noarch     tomcat8-docs-webapp-8.0.38-1.65.amzn1.noarch     tomcat8-webapps-8.0.38-1.65.amzn1.noarch     tomcat8-javadoc-8.0.38-1.65.amzn1.noarch src:     tomcat6-6.0.47-1.7.amzn1.src     tomcat7-7.0.72-1.21.amzn1.src     tomcat8-8.0.38-1.65.amzn1.src ### Additional References Red Hat: [CVE-2016-0762](<https://access.redhat.com/security/cve/CVE-2016-0762>), [CVE-2016-5018](<https://access.redhat.com/security/cve/CVE-2016-5018>), [CVE-2016-6325](<https://access.redhat.com/security/cve/CVE-2016-6325>), [CVE-2016-6794](<https://access.redhat.com/security/cve/CVE-2016-6794>), [CVE-2016-6796](<https://access.redhat.com/security/cve/CVE-2016-6796>), [CVE-2016-6797](<https://access.redhat.com/security/cve/CVE-2016-6797>) Mitre: [CVE-2016-0762](<https://vulners.com/cve/CVE-2016-0762>), [CVE-2016-5018](<https://vulners.com/cve/CVE-2016-5018>), [CVE-2016-6325](<https://vulners.com/cve/CVE-2016-6325>), [CVE-2016-6794](<https://vulners.com/cve/CVE-2016-6794>), [CVE-2016-6796](<https://vulners.com/cve/CVE-2016-6796>), [CVE-2016-6797](<https://vulners.com/cve/CVE-2016-6797>)


Affected Package


OS OS Version Package Name Package Version
Amazon Linux 1 tomcat6-webapps 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat6-servlet-2.5-api 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat6-jsp-2.1-api 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat6-javadoc 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat6-docs-webapp 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat6-el-2.1-api 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat6 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat6-admin-webapps 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat6-lib 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat7-el-2.2-api 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7-admin-webapps 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7-log4j 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7-javadoc 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7-docs-webapp 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7-jsp-2.2-api 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7-lib 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7-webapps 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat7-servlet-3.0-api 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat8-el-3.0-api 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8-admin-webapps 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8-log4j 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8-lib 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8-servlet-3.1-api 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8-jsp-2.3-api 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8-docs-webapp 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8-webapps 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat8-javadoc 8.0.38-1.65.amzn1
Amazon Linux 1 tomcat6 6.0.47-1.7.amzn1
Amazon Linux 1 tomcat7 7.0.72-1.21.amzn1
Amazon Linux 1 tomcat8 8.0.38-1.65.amzn1

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