Please note the updated affected version information below. Mark
On 03/12/2020 18:01, Mark Thomas wrote: > CVE-2020-17527 Apache Tomcat HTTP/2 Request header mix-up > > Severity: Moderate > > Vendor: The Apache Software Foundation > > Versions Affected: > Apache Tomcat 10.0.0-M1 to 10.0.0-M9 > Apache Tomcat 9.0.0.M5 to 9.0.39 This should be Apache Tomcat 9.0.0.M1 to 9.0.39 > Apache Tomcat 8.5.1 to 8.5.59 This should be Apache Tomcat 8.5.0 to 8.5.59 > > Description: > While investigating Bug 64830 it was discovered that Apache Tomcat could > re-use an HTTP request header value from the previous stream received > on an HTTP/2 connection for the request associated with the subsequent > stream. While this would most likely lead to an error and the closure of > the HTTP/2 connection, it is possible that information could leak > between requests. > > Mitigation: > - Upgrade to Apache Tomcat 10.0.0-M10 or later > - Upgrade to Apache Tomcat 9.0.40 or later > - Upgrade to Apache Tomcat 8.5.60 or later > > Credit: > This issue was identified by the Apache Tomcat Security Team. > > References: > [1] http://tomcat.apache.org/security-10.html > [2] http://tomcat.apache.org/security-9.html > [3] http://tomcat.apache.org/security-8.html >