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Snare for Linux Cross-Site Scripting via Log Injection

I. BACKGROUND

Snare for Linux provides a 'C2' or 'CAPP' style audit
subsystem for the Linux operating system. It can be
used as a standalone auditing tool for Linux, or can
send data to the Snare Server for analysis and storage.

II. DESCRIPTION

A cross-site scripting vulnerability has been discovered
in the web interface for Snare for Linux. As part of
Snare's intended functionality, one feature it provides
is the logging of shell commands issued by a given user
which are then available for viewing through the web
interface. Due to the fact that this data was not validated
before being sent to the browser in versions prior to 1.7.0,
it is possible to inject JavaScript into the web console.

III. AFFECTED PRODUCTS

All versions of Snare for Linux prior to 1.7.0 are vulnerable.

IV.

Users should upgrade to version 1.7.0 of Snare for Linux.

V. Credit

This vulnerability was discovered by Andrew Brooks.

VI. References

CVE-2011-5249
http://rpmfind.net/linux/RPM/sourceforge/s/sn/snare/Snare%20for%20Linux/1.7.0/SnareLinux-1.7.0-0.i386.html

VII. Timeline

7/11/11 - Vendor notification
8/09/11 - Fixed and closed