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Category:   Application (Generic)  >   KVM Vendors:   kvm.qumranet.com
(Ubuntu Issues Fix) KVM E1000 NIC Emulation Heap Overflow Lets Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1026572
SecurityTracker URL:  http://securitytracker.com/id/1026572
CVE Reference:   CVE-2012-0029   (Links to External Site)
Date:  Jan 24 2012
Impact:   Denial of service via local system, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in KVM. A local privileged user on the guest system can obtain elevated privileges on the target host system.

A local privileged user on the guest operating system can send specially crafted legacy mode packets to trigger a heap overflow in the E1000 network interface card (NIC) emulation and cause the host system to crash.

A local privileged user may be able to exploit this to obtain privileges on the host system.

Nicolae Mogoreanu reported this vulnerability.

Impact:   A local privileged user on the guest system can cause denial of service conditions on the target host system.

A local privileged user on the guest system can obtain elevated privileges on the target host system.

Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

http://www.ubuntu.com/usn/usn-1339-1

Vendor URL:  linux-kvm.org/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  10.04 LTS, 10.10, 11.04, and 11.10

Message History:   This archive entry is a follow-up to the message listed below.
Jan 23 2012 KVM E1000 NIC Emulation Heap Overflow Lets Local Users Gain Elevated Privileges



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