VMware open-vm-tools prior 2009.03.18-154848 vmware-user-suid-wrapper /tmp ChmodChownDirectory symlink

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in VMware open-vm-tools and classified as critical. Affected by this vulnerability is the function ChmodChownDirectory of the file /tmp of the component vmware-user-suid-wrapper. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The software, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the software to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in open-vm-tools 2009.03.18-154848. Local users can gain privileges via a symlink attack on /tmp files if vmware-user-suid-wrapper is setuid root and the ChmodChownDirectory function is enabled.

The weakness was disclosed 11/23/2022. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2009-1142 since 03/25/2009. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/23/2022).

Upgrading to version 2009.03.18-154848 eliminates this vulnerability. The upgrade is hosted for download at github.com.




CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Symlink
CWE: CWE-61 / CWE-59
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: open-vm-tools 2009.03.18-154848


03/25/2009 CVE reserved
11/23/2022 +4991 days Advisory disclosed
11/23/2022 +0 days VulDB entry created
11/23/2022 +0 days VulDB last update


Vendor: vmware.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2009-1142 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20060413


Created: 11/23/2022 08:35 PM
Changes: 11/23/2022 08:35 PM (42)
Complete: 🔍


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