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Secunia Security Advisory 23778

Secunia Security Advisory 23778
Posted Jan 18, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Jesper Jurcenoks has reported a vulnerability in DT Guestbook, which can be exploited by malicious people to conduct cross-site scripting attacks.

tags | advisory, xss
SHA-256 | 493550c545adeaab4ea76738dc5b2a5adcd0b23fe88373c7a4a22bf97ce22052

Secunia Security Advisory 23778

Change Mirror Download


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Secunia is proud to announce the availability of the Secunia Software
Inspector.

The Secunia Software Inspector is a free service that detects insecure
versions of software that you may have installed in your system. When
insecure versions are detected, the Secunia Software Inspector also
provides thorough guidelines for updating the software to the latest
secure version from the vendor.

Try it out online:
http://secunia.com/software_inspector/

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TITLE:
dt_guestbook "error[]" Cross-Site Scripting Vulnerability

SECUNIA ADVISORY ID:
SA23778

VERIFY ADVISORY:
http://secunia.com/advisories/23778/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
DT Guestbook 1.x
http://secunia.com/product/13259/

DESCRIPTION:
Jesper Jurcenoks has reported a vulnerability in DT Guestbook, which
can be exploited by malicious people to conduct cross-site scripting
attacks.

Input passed to the "error[]" parameter in index.php 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.

Successful exploitation requires that "register_globals" is enabled.

The vulnerability is reported in version 1.0f. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

Set "register_globals" to "Off".

PROVIDED AND/OR DISCOVERED BY:
Jesper Jurcenoks, netVigilance

ORIGINAL ADVISORY:
http://www.netvigilance.com/advisory0010

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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.

----------------------------------------------------------------------

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