VMware Tools 'HGFS.sys' Driver Local Privilege Escalation Vulnerability

BID:29549

Info

VMware Tools 'HGFS.sys' Driver Local Privilege Escalation Vulnerability

Bugtraq ID: 29549
Class: Input Validation Error
CVE: CVE-2007-5761
Remote: No
Local: Yes
Published: Jun 04 2008 12:00AM
Updated: Jun 04 2008 12:00AM
Credit: iDefense and Stephen Fewer of Harmony Security
Vulnerable: VMWare Workstation 5.5.5
VMWare Workstation 5.5.4 build 44386
VMWare Workstation 5.5.4
VMWare Workstation 5.5.3 build 42958
VMWare Workstation 5.5.3 build 34685
VMWare Server 1.0.5
VMWare Server 1.0.4
VMWare Server 1.0.3
VMWare Server 1.0.2
VMWare Player 1.0.5
VMWare Player 1.0.4
VMWare Player 1.0.3
VMWare Player 1.0.2
VMWare Player 1.0.1 Build 19317
VMWare ESX Server 3.0.2
VMWare ESX Server 3.0.1
VMWare ESX Server 2.5.5 patch 4
VMWare ESX Server 2.5.5 patch 2
VMWare ESX Server 2.5.5
VMWare ESX Server 2.5.4 patch 15
VMWare ESX Server 2.5.4 patch 13
VMWare ESX Server 2.5.4 Patch 10
VMWare ESX Server 2.5.4 Patch 1
VMWare ESX Server 2.5.4
VMWare ACE 1.0.5
VMWare ACE 1.0.4
VMWare ACE 1.0.3
VMWare ACE 1.0.2 Build 19206
VMWare ACE 1.0.2
VMWare ACE 1.0
Not Vulnerable: VMWare Workstation 5.5.6 Build 80404
VMWare Server 1.0.5 Build 80187
VMWare Player 1.0.6 Build 80404
VMWare ESX Server 2.5.4 Patch 16
VMWare ESX Server 2.5.5 patch 5
VMWare ACE 1.0.5 build 79846

Discussion

VMware Tools 'HGFS.sys' Driver Local Privilege Escalation Vulnerability

VMware Tools is prone to a local privilege-escalation vulnerability because the application fails to sufficiently sanitize user-supplied input.

An attacker can exploit this issue to execute arbitrary code with elevated privileges on the guest operating system. Successfully exploiting this issue may compromise the affected application and possibly the underlying computer.

The following VMware products are affected:

VMware Workstation 5 prior to 5.5.6 build 80404 for Microsoft Windows and Linux
VMware Player 1 prior to 1.0.6 build 80404 for Microsoft Windows and Linux
VMware ACE 1 prior to 1.0.5 build 79846
VMware Server prior to 1.0.5 build 80187 for Microsoft Windows and Linux
VMware ESX 3.0.2, 3.0.1, 2.5.5, and 2.5

Exploit / POC

VMware Tools 'HGFS.sys' Driver Local Privilege Escalation Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

VMware Tools 'HGFS.sys' Driver Local Privilege Escalation Vulnerability

Solution:
The vendor has released an update. Please see the references for more information.

References

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