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MLDonkey Network Modules IP Blocking Weakness
Secunia Advisory: SA26230
Release Date: 2007-07-27
Last Update: 2007-07-31
Popularity: 6,363 views

Critical:
Not critical
Impact: Security Bypass
Where: From remote
Solution Status: Vendor Patch

Software:MLdonkey 2.x

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CVE reference:CVE-2007-4100


Description:
A weakness has been reported in MLDonkey, which can be exploited by malicious people to bypass certain security restrictions.

The weakness is caused due to MLDonkey loading "$MLDONKEY/web_infos/*" after activating the network modules. This may allow other peers to connect from blocked IP addresses for a short time span.

The weakness is reported in versions prior to 2.9.0.

Solution:
Update to version 2.9.0.

Provided and/or discovered by:
blupp and spiralvoice

Changelog:
2007-07-31: Added CVE reference.

Original Advisory:
http://sourceforge.net/project/shownotes.php?release_id=527976
http://mldonkey.sourceforge.net/forums/viewtopic.php?p=26264#26264


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