31304 : YACS comments/populate.php context[path_to_root] Parameter Remote File Inclusion
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
5	987	over 6 years ago	about 4 years ago	0 times	90%

Timeline

Disclosure Date
2006-08-29

Description

YACS contains a flaw that allows a remote cross site scripting attack. This flaw exists because the application does not validate the 'context[path_to_root]' variable upon submission to the 'comments/populate.php' script. This could allow a user to create a specially crafted URL that would execute arbitrary code in a user's browser within the trust relationship between the browser and the server, leading to a loss of integrity.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Public
Disclosure: Vendor Verified
OSVDB: Web Related

Solution

Upgrade to version 6.9 or higher, as it has been reported to fix this vulnerability. In addition, the vendor has released a patch for some older versions.

Products

Paxer Counseil

YACS

6.6.1

References

CVE ID: 2006-4559 (see also: NVD)
Secunia Advisory ID: 21680
Milw0rm: 2282
Exploit Database: 2282
Related OSVDB ID: 31301 31302 31303 31305 31306 31307 31308 31309 31310
Vendor Specific News/Changelog Entry: http://www.yetanothercommunitysystem.com/yacs/articles/view.php/1664

Credit

matasanos -

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2006-09-06 | Disagree?

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