SB2012070402 - Cross-site scripting in vBulletin

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2012-3844)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in vBulletin 4.1.12. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Install update from vendor's website.

References

• http://hauntit.blogspot.com/2012/04/en-vbulletin-4112-cross-site-scripting.html
• http://packetstormsecurity.org/files/112385/vBulletin-4.1.12-Cross-Site-Scripting.html
• http://www.securityfocus.com/bid/53319
• https://exchange.xforce.ibmcloud.com/vulnerabilities/75325