Leszek Krupinski L-Forum File Disclosure Vulnerability

BID:5463

Info

Leszek Krupinski L-Forum File Disclosure Vulnerability

Bugtraq ID: 5463
Class: Design Error
CVE: CVE-2002-1460
Remote: Yes
Local: No
Published: Aug 14 2002 12:00AM
Updated: Jul 11 2009 03:56PM
Credit: Discovery of this vulnerability credited to Ulf Harnhammar <[email protected]>.
Vulnerable: Leszek Krupinski L-Forum 2.4 .0
Not Vulnerable:

Discussion

Leszek Krupinski L-Forum File Disclosure Vulnerability

Reportedly, L-Forum may disclose contents of arbitrary files to attackers. The file upload mechanism in L-Forum doesn't properly check the existence of four global variables (attachment, attachment_name, attachment_size and attachment_type) that are set for every uploaded file.

Thus an attacker may be able to obtain access to arbitrary system files.

Exploit / POC

Leszek Krupinski L-Forum File Disclosure Vulnerability

There is no exploit code required.

Solution / Fix

Leszek Krupinski L-Forum File Disclosure Vulnerability

Solution:
The following patch is available:


Leszek Krupinski L-Forum 2.4 .0

References

Leszek Krupinski L-Forum File Disclosure Vulnerability

References:

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