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Mac OS X vpnd Denial of Service Vulnerability
Secunia Advisory: SA27938
Release Date: 2007-12-07
Last Update: 2008-07-01
Popularity: 9,312 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

OS:Apple Macintosh OS X

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CVE reference:CVE-2007-6276


Description:
mu-b has reported a vulnerability in Apple Mac OS X, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within vpnd when handling connections and can be exploited to stop the VPN daemon by sending a specially crafted packet to the service.

The vulnerability is reported in Apple Mac OS X 10.5.0 (Leopard). Other versions may also be affected.

Solution:
Update to Mac OS X 10.5.4.
http://support.apple.com/kb/HT2163

Provided and/or discovered by:
mu-b

Changelog:
2007-12-10: Added CVE reference.
2008-07-01: Updated "Solution" section.

Original Advisory:
http://milw0rm.com/exploits/4690


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