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VMware Products Multiple Vulnerabilities
Secunia Advisory: SA33372
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Release Date: 2009-01-06
Last Update: 2009-04-13
Popularity: 6,326 views

Critical:
Highly critical
Impact: Security Bypass
Privilege escalation
DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:VMware ACE 2.x
VMware Player 2.x
VMware Server 2.x
VMware Workstation 6.x
Binary Analysis: BA641 :: Available for 1 Credit
BA600 :: Available for 1 Credit

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Some vulnerabilities have been reported in VMware, which can be exploited by malicious people to cause a DoS (Denial of Service) or to potentially compromise a user's system, and by malicious, local users to bypass certain security restrictions or to gain escalated privileges.

1) An error in the "vmware-authd" daemon can be exploited to terminate the "vmware-authd" process via e.g. an overly long "USER" string sent to TCP port 912.

Successful exploitation allows e.g. denying virtual machine access to local unprivileged users.

2) An error in the IOCTL handler of the vmci.sys driver can be exploited to gain SYSTEM privileges on host or guest systems.

Successful exploitation of this vulnerability may require administrative privileges.

3) An error in the VMnc codec (vmnc.dll) when handling RFB message types above 3 can be exploited to trigger a memory corruption via a specially crafted video file.

4) A boundary error exists in the VMnc codec (vmnc.dll) when handling ICM_DECOMPRESS driver messages. This can be exploited to cause a heap-based buffer overflow via an overly large "dwSize" element defined in a specially crafted RIFF chunk.

Successful exploitation of vulnerabilities #3 and #4 may allow execution of arbitrary code.

5) An error in the ACE shared folders functionality can be exploited to enable a shared folder in the guest without administrative privileges.

NOTE: This vulnerability affects VMware ACE only.

6) An unspecified error in the virtual machine display function can be exploited from a guest operating system to potentially run arbitrary code on the host.

Please see vendor's advisory for a list of affected products and versions.

Change Page:
[ 1 ] [ 2 ] [ 3 ]


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