[DSECRG-08-007] OpenBSD BGPD daemon Web Interface XSS.

[#DSECRG-08-007] Digital Security Research Group [DSecRG] Advisory

Application: OpenBSD BGPD daemon
Versions Affected: OpenBSD 4.1
Vendor URL: http://openbsd.org
Bugs: XSS
Exploits: YES
Reported: 10.10.2007
Vendor response: 10.10.2007
Date of Public Advisory: 31.01.2008
Authors: Alexandr Polyakov, Anton Karpov
                                Digital Security Research Group [DSecRG] (research [at] dsec [dot] ru)

Description
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OpenBSD BGPD daemon Web Interface has XSS vulnerability

History
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http://www.mail-archive.com/misc@openbsd.org/msg49057.html

Details
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Linked XSS vulnerability found in script /cgi-bin/bgplg attacker can inject XSS in parameter cmd

Example:

http://[server]/cgi-bin/bgplg?cmd=shov+version<script>alert('DSecRG XSS')</script>

Fix Information
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Vendor was altered to fix this flaw in svn on 10.10.2007. Updated version OpenBSD 4.2 which was released Nov 1, 2007. can be downloaded here:

http://openbsd.org

About
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Digital Security is leading IT security company in Russia, providing information security consulting, audit and penetration testing services, risk analysis and ISMS-related services and certification for ISO/IEC 27001:2005 and PCI DSS standards. Digital Security Research Group focuses on web application and database security problems with vulnerability reports, advisories and whitepapers posted regularly on our website.

Contact: research [at] dsec [dot] ru
                http://www.dsec.ru (in Russian)

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