Description: Two vulnerabilities have been reported in Mac OS X, which can be exploited by malicious people to cause a DoS (Denial of Service) or replace system widgets on a user's system.
1) A NULL pointer dereference error in the TCP/IP implementation can be exploited to crash the kernel via a specially crafted TCP/IP packet.
The vulnerability affects Mac OS X 10.4 and Mac OS X Server 10.4.
2) An error in the Dashboard can be exploited to install widgets with the same internal identifier (CFBundleIdentifier) as an Apple-supplied widgets thereby replacing it.
The vulnerability affects Mac OS X 10.4 and Mac OS X Server 10.4.
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