23846 : GuppY dwnld.php pg Variable Arbitrary File Overwrite
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
3	181	over 4 years ago	over 2 years ago	0 times	100%

Timeline

Disclosure Date	Exploit Publish Date
2006-03-10	2006-03-10

Description

Guppy contains a flaw that may allow a remote denial of service. The issue is caused by the improper sanitization of the 'pg' variable in dwnld.php before being used to write a counter value to '.dtb' files. An attacker can overwrite any file with permissions set to 666 via null injection resulting in a loss of availability for the service.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Public
OSVDB: Web Related

Technical

This vulnerability is only present when the magic_quotes_gpc PHP option is 'off'.

Solution

Upgrade to version 4.5.12 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Laurent Duveau	GuppY	2.4
		2.4 p1
		2.4 p3
		2.4 p4
		4.5
		4.5.3
		4.5.3 a
		4.5.4
		4.5.9
		4.5.10
		4.5.11

References

Security Tracker: 1015753
Bugtraq ID: 17068
Secunia Advisory ID: 19222
CVE ID: 2006-1224 (see also: NVD)
Related OSVDB ID: 23993
ISS X-Force ID: 25141
VUPEN Advisory: ADV-2006-0936
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2006-02/0758.html
Vendor URL: http://www.freeguppy.org/
Other Advisory URL: http://www.kapda.ir/advisory-291.html

Manual Testing Notes

Credit

trueend5 - trueend5kapda ir - http://www.KAPDA.ir

CVSSv2 Score

CVSSv2 Base Score = 2.6
Source: nvd.nist.gov | Generated: 2006-03-15 | Disagree?

Blogs

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