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Category:   OS (UNIX)  >   Solaris Vendors:   Sun
Solaris DTrace ioctl Hanlder Flaws Let Local Users Deny Service
SecurityTracker Alert ID:  1022143
SecurityTracker URL:  http://securitytracker.com/id/1022143
CVE Reference:   CVE-2009-1478   (Links to External Site)
Updated:  May 4 2009
Original Entry Date:  Apr 29 2009
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 10, OpenSolaris
Description:   A vulnerability was reported in Solaris. A local user can cause denial of service conditions.

A local user can exploit flaws in the Solaris DTrace (dtrace(1M)) ioctl(2) handlers to trigger a system panic.

Neil Kettle reported this vulnerability.

Some demonstration exploit code from mu-b from Digit-Labs is available at:

http://www.digit-labs.org/files/exploits/solaris-dtrace-dos.c
http://www.digit-labs.org/files/exploits/solaris-fasttrap-dos.c

Impact:   A local user can cause a kernel panic on the target system.
Solution:   The vendor has issued a fix:

SPARC Platform

* OpenSolaris based upon builds snv_114 or later

x86 Platform

* OpenSolaris based upon builds snv_114 or later

Sun is working on a fix for Solaris 10.

The vendor's advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-66-257708-1

Vendor URL:  sunsolve.sun.com/search/document.do?assetkey=1-66-257708-1 (Links to External Site)
Cause:   Not specified

Message History:   None.


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