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Winny Command Parsing Buffer Overflow Vulnerability
Secunia Advisory: SA19795
Release Date: 2006-04-24
Last Update: 2006-05-01
Popularity: 7,495 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Unpatched

Software:Winny 2.x

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CVE reference:CVE-2006-2007


Description:
eEye Digital Security has reported a vulnerability in Winny, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error within the parsing of specific commands received via the file transfer port. This can be exploited to cause a heap-based buffer overflow and allows arbitrary code execution.

The vulnerability has been reported in version 2.0 b7.1. Prior versions may also be affected.

Note: It has also been reported that a stack-based buffer overflow exists within the parsing of another command.

Solution:
Use another product.

Provided and/or discovered by:
Yuji Ukai and Ryoji Kanai, eEye Digital Security.

Additional information by:
drac 65536

Changelog:
2006-04-26: Added CVE reference.
2006-04-27: Updated advisory with additional information. Updated "Title", "Description" and credit sections.
2006-05-01: Added link to US-CERT vulnerability note.

Original Advisory:
eEye Digital Security:
http://www.eeye.com/html/research/advisories/AD20060421.html

Other References:
US-CERT VU#167033:
http://www.kb.cert.org/vuls/id/167033


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