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TITLE:
DotNetNuke ErrorPage.aspx Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA35178

VERIFY ADVISORY:
http://secunia.com/advisories/35178/

DESCRIPTION:
Ben Hawkes has reported a vulnerability in DotNetNuke, which can be
exploited by malicious people to conduct cross-site scripting
attacks.

Input passed to ErrorPage.aspx is not 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.

The vulnerability is reported in 4.9.3. Prior versions may also be
affected.

NOTE: A disclosure of version information via the error page has also
been reported by the vendor.

SOLUTION:
Update to version 4.9.4.

PROVIDED AND/OR DISCOVERED BY:
Ben Hawkes, Lateral Security

ORIGINAL ADVISORY:
DotNetNuke:
http://www.dotnetnuke.com/News/SecurityPolicy/securitybulletinno27/tabid/1276/Default.aspx
http://www.dotnetnuke.com/News/SecurityPolicy/securitybulletinno26/tabid/1275/Default.aspx

Lateral Security:
http://www.lateralsecurity.com/advisories/DNN-20090430-001.txt

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