From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Jul 06 2005 - 06:53:20 CDT

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

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

Bist Du interessiert an einem neuen Job in IT-Sicherheit?

Secunia hat zwei freie Stellen als Junior und Senior Spezialist in IT-
Sicherheit:
http://secunia.com/secunia_vacancies/

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

TITLE:
Mark Kronsbein MyGuestbook "lang" File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA15927

VERIFY ADVISORY:
http://secunia.com/advisories/15927/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
Mark Kronsbein MyGuestbook 0.x
http://secunia.com/product/5330/

DESCRIPTION:
SoulBlack Security Research has discovered a vulnerability in Mark
Kronsbein MyGuestbook, which can be exploited by malicious people to
compromise a vulnerable system.

Input passed to the "lang" parameter in "form.inc.php3" isn't
properly verified, before it is used to include files. This can be
exploited to include arbitrary files from external and local
resources.

The vulnerability has been confirmed in version 0.9.5. Version 0.6.1
is reportedly also affected. Other versions may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
SoulBlack Security Research

ORIGINAL ADVISORY:
http://www.soulblack.com.ar/repo/papers/advisory/myguestbook_advisory.txt

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

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.

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

Unsubscribe: Secunia Security Advisories

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

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]