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         (PT-2008-07) Positive Technologies Security Advisory
 VMware Multiple Products hcmon.sys Denial of Service Vulnerability
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---[ Affected Software ]

VMware Workstation 6.0.x, 6.5.x
VMware Player 2.0.x, 2.5.x
VMware ACE 2.0.x
VMware Server 2.x

Product Link:
    http://www.vmware.com


---[ Severity Rating ]

        Severity:       Medium
        Impact:         Denial of Service
        Attack Vector:  Local

        CVSS v2:
               Base Score:     4.4
               Temporal Score: 3.4
               Vector:         (AV:L/AC:M/Au:S/C:N/I:N/A:C/E:P/RL:O/RC:C)

        CVE:   CVE-2009-1146


---[ Vulnerability Description ]

Positive Technologies Research Team has discovered denial of service 
vulnerabilities in VMware products.

The IOCTL handler in hcmon.sys does not properly validate buffer data 
associated with the Irp object, which allows local users with administrative 
priviligies to crash the system.


---[ Solution ]

Update to the latest product version: vmware.com.

    Workstation    6.5.x     Windows  6.5.2 build 156735 or later
    Workstation    6.0.x     Windows  upgrade to at least 6.5.2

    Player         2.5.x     Windows  2.5.2 build 156735 or later
    Player         2.0.x     Windows  upgrade to at least 2.5.2

    ACE            2.5.x     Windows  2.5.2 build 156735 or later
    ACE            2.0.x     Windows  upgrade to at least 2.5.2

    Server         2.x       Windows  2.0.1 build 156745 or later


---[ Disclosure Timeline ]

10.14.2008 - Vendor notified
10.16.2008 - Vendor replied
10.16.2008 - Sent detailed information
03.31.2009 - Vendor released fixed versions
04.06.2009 - Public disclosure

---[ Credits ]

This vulnerability was discovered by Nikita Tarakanov, Positive Technologies 
Research Team.

---[ References ]

http://en.securitylab.ru/lab/PT-2008-07
http://www.ptsecurity.ru/advisory.asp

Complete list of vulnerability reports published by Positive Technologies 
Research Team:

http://en.securitylab.ru/lab/
http://www.ptsecurity.ru/advisory.asp


---[ About Positive Technologies ]

Positive Technologies www.ptsecurity.com is among the key players in the IT 
security market in Russia.
The principal activities of the company include the development of 
integrated tools for information security monitoring (MaxPatrol); providing 
IT security consulting services and technical support; the development of 
the Securitylab en.securitylab.ru leading Russian information security 
portal.

Among the clients of Positive Technologies there are more than 40 state 
enterprises, more than 50 banks and financial organizations, 20 
telecommunication companies, more than 40 plant facilities, as well as IT, 
service and retail companies from Russia, CIS countries, Baltic States, 
China, Ecuador, Germany, Great Britain, Holland, Iran, Israel, Japan, 
Mexico, South African Republic, Thailand, Turkey and USA.

Positive Technologies is a team of highly skilled developers, advisers and 
experts with years of vast hands-on experience. The company specialists 
possess professional titles and certificates; they are the members of 
various international societies and are actively involved in the IT security 
field development. 

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