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Category:   OS (UNIX)  >   NetBSD Vendors:   NetBSD
NetBSD System Call Return Value Validation Flaw Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1027178
SecurityTracker URL:  http://securitytracker.com/id/1027178
CVE Reference:   CVE-2012-0217   (Links to External Site)
Date:  Jun 15 2012
Impact:   Denial of service via local system, Root access via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.0.*, 5.0.*, 5.1, 6.0 Beta
Description:   A vulnerability was reported in NetBSD. A local user can obtain elevated privileges on the target system.

A kernel-level sanity check does not properly validate user-supplied data on 64-bit CPUs. A local user may be able to exploit this flaw to execute arbitrary code on the target system with elevated privileges or to cause the target system to crash.

Rafal Wojtczuk reported this vulnerability.

Impact:   A local user can cause the target system to crash.

A local user may be able to obtain elevated privileges on the target system.

Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2012-003.txt.asc

Vendor URL:  ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2012-003.txt.asc (Links to External Site)
Cause:   Input validation error

Message History:   None.


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