69539 : DynPG CMS index.php CHG_DYNPG_SET_LANGUAGE Parameter Traversal Arbitrary File Access
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	1244	over 2 years ago	over 2 years ago	7 times	100%

Timeline

Disclosure Date
2010-11-30

Time to Patch
1 days

Description

DynPG CMS contains a flaw that allows a remote attacker to traverse outside of a restricted path. The issue is due to the 'index.php' script not properly sanitizing user input, specifically directory traversal style attacks (e.g., ../../) supplied via the 'CHG_DYNPG_SET_LANGUAGE' parameter. This directory traversal attack would allow the attacker to access arbitrary files.

Classification

Location: Remote / Network Access
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified, Coordinated Disclosure
OSVDB: Web Related

Solution

Upgrade to version 4.2.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

DynPG	DynPG CMS	4.1.1
		4.2.0

References

Exploit Database: 15646
CVE ID: 2010-4399 (see also: NVD)
Secunia Advisory ID: 42380
Bugtraq ID: 45115
Other Advisory URL: http://packetstormsecurity.org/files/view/96230/dynpg-lfisqldisclose.txt
http://www.htbridge.ch/advisory/lfi_in_dynpg.html
Vendor Specific Advisory URL: http://www.dynpg.org/cms-freeware_en.php?t=DynPG+Update+4.2.1+Security+Update&read_article=226

Credit

High-Tech Bridge SA - High-Tech Bridge SA

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2010-12-06 | Disagree?

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