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TITLE:
Invision Power Board Cross-Site Scripting and Security Bypass
SECUNIA ADVISORY ID:
SA20930
VERIFY ADVISORY:
http://secunia.com/advisories/20930/
CRITICAL:
Less critical
IMPACT:
Security Bypass, Cross Site Scripting
WHERE:
>From remote
SOFTWARE:
Invision Power Board 2.x
http://secunia.com/product/3705/
DESCRIPTION:
Two vulnerabilities have been reported in Invision Power Board, which
can be exploited by malicious users to bypass certain security
restrictions and by malicious people to conduct cross-site scripting
attacks.
1) Input passed via the URL when adding an avatar isn't properly
sanitised before being returned to the user. This can be exploited to
execute arbitrary HTML and script code in a user's browser session in
context of an affected site.
2) An unspecified error in the permission handling can be exploited
by moderators to moderate an arbitrary forum without proper
permissions.
The vulnerabilities have been reported in version 2.1.6 (before
2006-06-30) and prior for the 2.1 branch.
SOLUTION:
Apply patch.
http://www.invisionpower.com/download/index.php?s=0&act=dl&s=1&id=57&p=1
PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.
ORIGINAL ADVISORY:
http://forums.invisionpower.com/index.php?showtopic=220787
About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.
Subscribe:
http://secunia.com/secunia_security_advisories/
Definitions: (Criticality, Where etc.)
http://secunia.com/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.