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TITLE:
vBulletin Activity Stream Script Insertion Vulnerability

SECUNIA ADVISORY ID:
SA49482

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/49482/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=49482

RELEASE DATE:
2012-06-19

DISCUSS ADVISORY:
http://secunia.com/advisories/49482/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/49482/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=49482

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in vBulletin, which can be
exploited by malicious users to conduct script insertion attacks.

Certain input passed via the Activity Stream is not properly
sanitised in activitystream/view/perm/calendar/event.php before being
displayed to the user. This can be exploited to insert arbitrary HTML
and script code, which will be executed in a user's browser session
in context of an affected site when the malicious data is being
viewed.

The vulnerability is reported in version 4.2.

SOLUTION:
Apply patch.

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
https://www.vbulletin.com/forum/showthread.php/403211-vBulletin-Security-Patch-for-vBulletin-4-2-%28Suite-amp-Forum%29-Only-06-18-2012

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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