A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to the Secure Channel (SChannel) security package failing to check a logical condition when parsing client certificates. This can be exploited to cause the LSASS service to stop responding and restart the system via a specially crafted client certificate request to an affected IIS server hosting a SSL-enabled web site.
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Subject: Microsoft Windows SChannel Client Certificate Request Denial of Service
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