BugTraq
[SCSA-008] Cross Site Scripting & Script Injection Vulnerability in PY-Livredor Mar 02 2003 09:22PM
Grégory Le Bras (gregory lebras security-corp org)


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Security Corporation Security Advisory [SCSA-008]

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PROGRAM: PY-Livredor

HOMEPAGE: http://www.py-scripts.com

http://www.scripts-php.com

VULNERABLE VERSIONS: v1.0

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DESCRIPTION

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PY-Livredor is an easy guestbook script using Php4 and MySql with

an administration which allow messages deletion.

DETAILS

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A Cross-Site Scripting vulnerability have been found in PY-Livredor

which allow attackers to inject script codes into the guestbook and use

them on clients browser as if they were provided by the website.

This Cross-Site Scripting vulnerability are found in the page for

posting messages (index.php)

An attacker can input specially crafted links and/or other

malicious scripts.

EXPLOIT

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A vulnerability was discovered in the page for posting messages,

at this adress :

http://[target]/livredor/index.php

The vulnerability is at the level of the interpretation of the "titre",

"Votre pseudo", "Votre e-mail", "Votre message" fields.

Indeed, the insertion of a hostile code script in this field makes it

possible to a malicious user to carry out this script on the navigator

of the visitors.

The hostile code could be :

[script]alert("Cookie="+document.cookie)[/script]

(open a window with the cookie of the visitor.)

(replace [] by <>)

SOLUTIONS

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No solution for the moment.

VENDOR STATUS

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The vendor has reportedly been notified.

LINKS

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http://www.security-corp.org/index.php?ink=4-15-1

Version Française :

http://www.security-corp.org/advisories/SCSA-008-FR.txt

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Grégory Le Bras aka GaLiaRePt | http://www.Security-Corp.org

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