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TITLE:
VMware ESX / ESXi VMDK Delta Disk Denial of Service Weakness

SECUNIA ADVISORY ID:
SA33776

VERIFY ADVISORY:
http://secunia.com/advisories/33776/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
VMware ESXi 3.x
http://secunia.com/advisories/product/19561/
VMware ESX Server 3.x
http://secunia.com/advisories/product/10757/

DESCRIPTION:
A weakness has been reported in VMware ESX / ESXi, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The weakness is caused due to an error when processing malformed VMDK
delta disk files. This can be exploited to crash an ESX host by
tricking an administrator into loading a specially crafted VMDK delta
disk file.

SOLUTION:
Apply patches.

ESXi 3.5:
Apply ESXe350-200901401-I-SG.
http://download3.vmware.com/software/vi/ESXe350-200901401-O-SG.zip

ESX 3.5:
Apply ESX350-200901401-SG.
http://download3.vmware.com/software/vi/ESX350-200901401-SG.zip

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Craig Marshall.

ORIGINAL ADVISORY:
http://www.vmware.com/security/advisories/VMSA-2009-0001.html

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