PunBB header.php cross-site scripting

punbb-header-xss (24982)

Medium Risk

Description:

PunBB is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the header.php script. A remote attacker could exploit this vulnerability using the PHP_SELF variable to execute script in a victim's Web browser within the security context of the hosting Web site, allowing the attacker to steal the victim's cookie-based authentication credentials.

*CVSS:

Base Score:	2.8
Access Vector:	Remote
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	None
Temporal Score:	2.4
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the current version of PunBB (version 1.2.11 or later) available from the PunBB Download page. See References.

References:

• PunBB Downloads page: PunBB Downloads.
• PunBB Web site: PunBB.org.
• BID-16891: PunBB Header.PHP Cross-Site Scripting Vulnerability
• CVE-2006-1089: Cross-site scripting (XSS) vulnerability in header.php in PunBB 1.2.10 allows remote attackers to inject arbitrary web script or HTML via the URL, which is not properly handled when the PHP_SELF variable is used to handle a pun_page tag.
• SA19039: PunBB "header.php" Cross-Site Scripting Vulnerability
• VUPEN/ADV-2006-0773: PunBB Cross Site Scripting and Denial of Service Vulnerabilities

Platforms Affected:

• PunBB PunBB 1.2.10 and prior

Reported:

Mar 01, 2006

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.

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