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_Tomcat_7.0.81
https://mail-archives.apache.org/mod_mbox/tomcat-announce/201709.mbox/<0b45dcb1-28e2-6e12-6320-5bc6d021063c%40apache.org>
http://svn.apache.org/viewvc?view=revision&revision=1804729
https://security.archlinux.org/CVE-2017-12616