Live Chat component for Joomla! xmlhttp.php open proxy

livechat-xmlhttp-open-proxy (47305)

Medium Risk

Description:

The Live Chat component for Joomla! could be used as an open proxy. A remote attacker could send a specially-crafted URL request to the xmlhttp.php script, which would allow the attacker to use the script as an open proxy. An attacker could exploit this vulnerability to gain unauthorized access to the Web site and anonymously browse the Web.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	4
Exploitability:	Unproven
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Gain Access

Remedy:

No remedy available as of December 18, 2008.

References:

• Jooma Experts Web site: Joomla Live Chat.
• BID-32803: Joomla Live Chat Multiple SQL Injection and Open Proxy Vulnerabilities
• CVE-2008-6882: Live Chat (com_livechat) component 1.0 for Joomla! allows remote attackers to use the xmlhttp.php script as an open HTTP proxy to hide network scanning activities or scan internal networks via a GET request with a full URL in the query string.

Platforms Affected:

• Joomla! Live Chat component for Joomla! 1.0

Reported:

Dec 12, 2008

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

For corrections or additions please email xforce@iss.net

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

About IBM Internet Security Systems

IBM Internet Security Systems is a trusted security advisor to thousands of the world's leading businesses and governments, helping to provide pre-emptive protection for networks, desktops and servers. The IBM Proventia? integrated security platform is designed to automatically protect against both known and unknown threats, helping to keep networks up and running and shield customers from online attacks before they impact business assets. IBM Internet Security Systems products and services are based on the proactive security intelligence of its X-Force? research and development team ? an unequivocal world authority in vulnerability and threat research. The IBM Internet Security Systems product line is also complemented by comprehensive Managed Security Services and Professional Security Services. For more information, visit the IBM Internet Security Systems Web site at www.iss.net or call 800-776-2362.