Windows Secure Channel Digital Signature Parsing Vulnerability - Secunia Advisories - Vulnerability Information

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Windows Secure Channel Digital Signature Parsing Vulnerability

Secunia Advisory:

SA25620

Advisory Toolbox:

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Release Date:

2007-06-12

Last Update:

2007-06-15

Popularity:

14,623 views

Critical:

Highly critical

Impact:

DoS
System access

Where:

From remote

Solution Status:

Vendor Patch

OS:

Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows Storage Server 2003
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional

Binary Analysis:

BA154 :: Available for 1 Credit

BA158 :: Available for 1 Credit

Secunia CVSS-2 Score:

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Advisory Content (Page 1 of 3)

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Description:
A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious people to cause a DoS (Denial of Service) or compromise a vulnerable system.

The vulnerability is caused due to an error within the Secure Channel (Schannel) security package when parsing digital signatures received from a server during the SSL handshake. This can be exploited to execute arbitrary code (Windows XP), cause the system to stop accepting SSL or TLS connections (Windows 2000), or cause the system to restart (Windows 2003) when a user e.g. visits a malicious website.

NOTE: Windows 2000 and 2003 are not exploitable for arbitrary code execution.

Change Page:
[ 1 ] [ 2 ] [ 3 ]

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