bugtraq - [eVuln] PerlBlog Multiple Vulnerabilities

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Date: 27 Feb 2006 19:30:31 -0000
From: alex@...ln.com
To: bugtraq@...urityfocus.com
Subject: [eVuln] PerlBlog Multiple Vulnerabilities

New eVuln Advisory:
PerlBlog Multiple Vulnerabilities
http://evuln.com/vulns/81/summary.html

--------------------Summary----------------
eVuln ID: EV0081
CVE: CVE-2006-0780 CVE-2006-0781 CVE-2006-0782
Software: PerlBlog
Sowtware's Web Site: http://www.chronicled.org/perlblog/
Versions: 1.09b 1.09 1.08 - checked
Critical Level: Dangerous
Type: Multiple Vulnerabilities
Class: Remote
Status: Unpatched. No reply from developer(s)
Exploit: Available
Solution: Not Available
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)

-----------------Description---------------
1. Arbitrary file creation with user-defined data.

Vulnerable script: weblog.pl
User-defined post variables are not properly sanitized. "reply" parameter may contain arbitrary filename. weblog.pl creates a file with "name" and "body" parameter values included.

System access is possible.

2. Directory traversal vulnerability.

Vulnerable script: weblog.pl
Input parameter "month" isn't properly sanitized. This can be used to read arbitrary txt-files.

3. Cross-Site Scripting vulnerability.

Vulnerable script: weblog.pl
Post variables "name" and "email" are not properly sanitized. This can be used to post arbitrary HTML or JavaScript code.

--------------Exploit----------------------
Available at: http://evuln.com/vulns/81/exploit.html

--------------Solution---------------------
No Patch available.

--------------Credit-----------------------
Discovered by: Aliaksandr Hartsuyeu (eVuln.com)

Regards,
Aliaksandr Hartsuyeu
http://evuln.com - Penetration Testing Services