Date: Mon, 10 Apr 2017 20:14:45 +0100 From: Mark Thomas <markt@...che.org> To: oss-security@...ts.openwall.com Subject: [SECURITY] CVE-2017-5647 Apache Tomcat Information Disclosure CVE-2017-5647 Apache Tomcat Information Disclosure Severity: Important Vendor: The Apache Software Foundation Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.0.M18 Apache Tomcat 8.5.0 to 8.5.12 Apache Tomcat 8.0.0.RC1 to 8.0.42 Apache Tomcat 7.0.0 to 7.0.76 Apache Tomcat 6.0.0 to 6.0.52 Description A bug in the handling of the pipelined requests when send file was used resulted in the pipelined request being lost when send file processing of the previous request completed. This could result in responses appearing to be sent for the wrong request. For example, a user agent that sent requests A, B and C could see the correct response for request A, the response for request C for request B and no response for request C. Mitigation: Users of the affected versions should apply one of the following mitigations: - Switch to the BIO HTTP where available - Disable send file - Upgrade to Apache Tomcat 9.0.0.M19 or later - Upgrade to Apache Tomcat 8.5.13 or later - Upgrade to Apache Tomcat 8.0.43 or later - Upgrade to Apache Tomcat 7.0.77 or later - Upgrade to Apache Tomcat 6.0.53 or later Credit: This issue was identified by the Tomcat security team. History: 2017-04-10 Original advisory References:  http://tomcat.apache.org/security-9.html  http://tomcat.apache.org/security-8.html  http://tomcat.apache.org/security-7.html  http://tomcat.apache.org/security-6.html
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