A bug was discovered in the error handling of the send file code for the NIO HTTP connector. This led to the current Processor object being added to the Processor cache multiple times allowing information leakage between requests including, and not limited to, session ID and the response body.

References

bugzilla.redhat.com/show_bug.cgi?id=1403824

tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.49 https://tomcat.apache.org/security-7.html#Fixed_in_Apache_Tomcat_7.0.74 https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.0.40 https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.9

nessus 31

openvas 23

amazon 2

cve 1

mageia 1

nvd 1

tomcat 5

osv 5

fedora 2

ibm 10

github 1

debian 3