[SECURITY] [DLA 2077-1] tomcat7 security update
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Package : tomcat7
Version : 7.0.56-3+really7.0.99-1
CVE ID : CVE-2019-12418 CVE-2019-17563
Two security vulnerabilities have been fixed in the Tomcat
servlet and JSP engine.
CVE-2019-12418
When Apache Tomcat is configured with the JMX Remote Lifecycle
Listener, a local attacker without access to the Tomcat process
or configuration files is able to manipulate the RMI registry to
perform a man-in-the-middle attack to capture user names and
passwords used to access the JMX interface. The attacker can
then use these credentials to access the JMX interface and gain
complete control over the Tomcat instance.
CVE-2019-17563
When using FORM authentication with Apache Tomcat there was a
narrow window where an attacker could perform a session fixation
attack. The window was considered too narrow for an exploit to
be practical but, erring on the side of caution, this issue has
been treated as a security vulnerability.
For Debian 8 "Jessie", these problems have been fixed in version
7.0.56-3+really7.0.99-1.
We recommend that you upgrade your tomcat7 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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