Vanilla UpdateCheck.php cross-site request forgery

vanilla-updatecheck-csrf (44558)

Medium Risk

Description:

Vanilla is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input by the UpdateCheck.php script. By persuading a victim to visit a specially-crafted Web page, a remote attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.

*CVSS:

Base Score:	4.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	None
Temporal Score:	3.7
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Vanilla (1.1.5-rc1 or later), available from the Lussumo Community Web site. See References.

References:

• Lussumo Community Web site: Vanilla 1.1.5 release candidate 1.
• Vanilla Web site: Vanilla - Free, Open-Source Forum Software.
• CVE-2008-3759: Cross-site request forgery (CSRF) vulnerability in ajax/UpdateCheck.php in Vanilla 1.1.4 and earlier has unknown impact and remote attack vectors.
• SA31527: Vanilla Multiple Vulnerabilities

Platforms Affected:

• Lussumo Vanilla 0.9.2
• Lussumo Vanilla 1
• Lussumo Vanilla 1.0.1
• Lussumo Vanilla 1.0.2
• Lussumo Vanilla 1.0.3
• Lussumo Vanilla 1.1
• Lussumo Vanilla 1.1.1
• Lussumo Vanilla 1.1.2
• Lussumo Vanilla 1.1.3
• Lussumo Vanilla 1.1.4

Reported:

Aug 19, 2008

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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.

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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.