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VMware Security Advisory 2011-0006

VMware Security Advisory 2011-0006
Posted Mar 30, 2011
Authored by VMware | Site vmware.com

VMware Security Advisory 2011-0006 - The VMware vmrun utility is susceptible to a local privilege escalation in non-standard configurations.

tags | advisory, local
advisories | CVE-2011-1126
SHA-256 | 069d709991feb1e78d30ec92cec7f28dd116782787338066a58527dd30e9ea96

VMware Security Advisory 2011-0006

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- ------------------------------------------------------------------------
VMware Security Advisory

Advisory ID: VMSA-2011-0006
Synopsis: VMware vmrun utility local privilege escalation
Issue date: 2011-03-29
Updated on: 2011-03-29 (initial release of advisory)
CVE numbers: CVE-2011-1126
- ------------------------------------------------------------------------

1. Summary

The VMware vmrun utility is susceptible to a local privilege
escalation in non-standard configurations.

2. Relevant releases

VMware VIX API for Linux 1.10.2 and earlier

VMware Workstation 7.1.3 on Linux and earlier
VMware Workstation 6.5.5 on Linux and earlier

3. Problem Description

a. VMware Linux based vmrun utility local privilege escalation

VMware vmrun is a utility that is used to perform various tasks on
virtual machines. The vmrun utility runs on any platform with VIX
libraries installed. It is installed in VMware Workstation by

In non-standard filesystem configurations, an attacker with the
ability to place files into a predefined library path, could take
execution control of vmrun.

The Common Vulnerabilities and Exposures project (cve.mitre.org)
has assigned the name CVE-2011-1126 to this issue.

VMware would like to thank Tim Brown for reporting this issue to

Column 4 of the following table lists the action required to
remediate the vulnerability in each release, if a solution is

VMware Product Running Replace with/
Product Version on Apply Patch
============= ======== ======= =================
vCenter any Windows not affected

VIX API any Windows not affected
VIX API 1.x Linux patch pending

Workstation 7.x Windows not affected
Workstation 7.x Linux 7.1.4 build 385536 or later
Workstation 6.5.x Windows not affected
Workstation 6.5.x Linux updated version of vmrun *

Player any any not affected

AMS any any not affected

Fusion any any not affected

ESXi any ESXi not affected

ESX any ESX not affected

* Refer to VMware Knowledge Base article 1035509 for the updated
version of vmrun for Workstation 6.5.x.

4. Solution

Please review the patch/release notes for your product and version
and verify the checksum of your downloaded file.

Workstation 7.1.4
For Linux
Release notes:

Workstation for Linux 32-bit with VMware Tools
md5sum: 5f5f25b1cfd8990e46db07788fe0adab
sha1sum: d5b4bfe0d22079988a7777dcc0f87a16b494b5f9

Workstation for Linux 32-bit without VMware Tools
md5sum: 918e8f61eab4bec4c6ca03f72bdd8fb9
sha1sum: 955b3a08375bb1fa39cb9c1c4142f13de604acf6

Workstation for Linux 64-bit with VMware Tools
md5sum: 68b424f836f63c12b071a791f80b1593
sha1sum: a7d1f461830db022af8f9d872c980fc59a83c5d6

Workstation for Linux 64-bit without VMware Tools
md5sum: f91a8c1ae911356b8eebf767db1a5873
sha1sum: 58973839c0ff6f56a9d2371a1ca1b5189b3f7bc5

Workstation 6.5.x - VMware Knowledge Base article 1035509

5. References

CVE numbers

- ------------------------------------------------------------------------
6. Change log

2011-03-29 VMSA-2011-0006
Initial security advisory in conjunction with the release of VMware
Workstation 7.1.4 and KB article 1035509.

- -----------------------------------------------------------------------
7. Contact

E-mail list for product security notifications and announcements:

This Security Advisory is posted to the following lists:

* security-announce at lists.vmware.com
* bugtraq at securityfocus.com
* full-disclosure at lists.grok.org.uk

E-mail: security at vmware.com
PGP key at: http://kb.vmware.com/kb/1055

VMware Security Advisories

VMware security response policy

General support life cycle policy

VMware Infrastructure support life cycle policy

Copyright 2011 VMware Inc. All rights reserved.

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