Arch Linux alert ASA-201709-17 (tomcat7)

From:
    	     
 
Levente Polyak <anthraxx@archlinux.org> 
To:
    	     
 
arch-security@archlinux.org 
Subject:
    	     
 
[arch-security] [ASA-201709-17] tomcat7: information disclosure 
Date:
    	     
 
Thu, 21 Sep 2017 15:01:48 +0200
Message-ID:
    	     
 
<1957df20-1e8f-c1f4-6352-1caa5d6bad5c@archlinux.org>
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
==========

http://tomcat.apache.org/security-7.html#Fixed_in_Apache_...
https://mail-archives.apache.org/mod_mbox/tomcat-announce...
http://svn.apache.org/viewvc?view=revision&revision=1...
https://security.archlinux.org/CVE-2017-12616