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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel Heap Overflow in Decoding ASN.1 BER Data May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1020210
SecurityTracker URL:  http://securitytracker.com/id/1020210
CVE Reference:   CVE-2008-1673   (Links to External Site)
Date:  Jun 9 2008
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 2.4.36.6; 2.6.x prior to 2.6.25.5
Description:   A vulnerability was reported in Linux Kernel. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted ASN.1 data to trigger a heap overflow and execute arbitrary code on the target system. The code will run with the privileges of the target service.

The vulnerability affects the netfilter ip_nat_snmp_basic module and the CIFS subsystem.

Wei Wang from McAfee reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fixed version (2.4.36.6, 2.6.25.5).

The vendor's advisories are available at:

http://www.kernel.org/pub/linux/kernel/v2.4/ChangeLog-2.4.36.6
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.5

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Boundary error

Message History:   None.


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