Arch Linux Security Advisory ASA-201709-17
=========================================
Severity: Medium
Date    : 2017-09-19
CVE-ID  : CVE-2017-12616
Package : tomcat7
Type    : information disclosure
Remote  : Yes
Link    : https://security.archlinux.org/AVG-408

Summary
======
The package tomcat7 before version 7.0.81-1 is vulnerable to
information disclosure.

Resolution
=========
Upgrade to 7.0.81-1.

# pacman -Syu "tomcat7>=7.0.81-1"

The problem has been fixed upstream in version 7.0.81.

Workaround
=========
None.

Description
==========
It has been discovered that tomcat version 7.0.80 and before are
vulnerable to information disclosure. When using a VirtualDirContext it
was possible to bypass security constraints and/or view the source code
of JSPs for resources served by the VirtualDirContext using a specially
crafted request.

Impact
=====
A remote attacker is able to view the source code of JSPs for resources
served by the VirtualDirContext using a specially crafted request.

References
=========
https://tomcat.apache.org/security-7.html
https://lists.apache.org/thread/%3C0b45dcb1-28e2-6e12-6320-5bc6d021063c@apache.org%3E
http://svn.apache.org/viewvc?view=revision&revision=1804729
https://security.archlinux.org/CVE-2017-12616