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Category:   OS (UNIX)  >   Apple macOS/OS X Vendors:   Apple
Apple Mac OS X TCP/IP Processing Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1014464
SecurityTracker URL:  http://securitytracker.com/id/1014464
CVE Reference:   CVE-2005-2194   (Links to External Site)
Updated:  Jun 15 2008
Original Entry Date:  Jul 12 2005
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 10.4 only
Description:   A vulnerability was reported in Apple Mac OS X in the processing of TCP/IP connections. A remote user can cause denial of service conditions.

A remote user can send a specifically crafted TCP/IP packet to the target system to trigger a null pointer dereference and cause a kernel panic.

The system must be rebooted to return to normal operations.

The vendor credits Julian Y. Koh and colleagues of Northwestern University with reporting this vulnerability.

Impact:   A remote user can cause a kernel panic, requiring a reboot to return the system to normal operations.
Solution:   Apple has issued a fix as part of Mac OS X 10.4.2, available using Software Update, or from Apple Downloads:

http://www.apple.com/support/downloads/

Vendor URL:  docs.info.apple.com/article.html?artnum=301948 (Links to External Site)
Cause:   Boundary error

Message History:   None.


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