VMware open-vm-tools prior 2009.03.18-154848 Share Mount mount.vmhgfs symlink

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.09

A vulnerability classified as critical has been found in VMware open-vm-tools. Affected is some unknown functionality of the file mount.vmhgfs of the component Share Mount Handler. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in open-vm-tools 2009.03.18-154848. Local users can bypass intended access restrictions on mounting shares via a symlink attack that leverages a realpath race condition in mount.vmhgfs (aka hgfsmounter).

The weakness was disclosed 11/23/2022. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2009-1143 since 03/25/2009. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (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.

Productinfo

Vendor

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CPE 2.3info

CPE 2.2info

CVSSv3info

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: 🔍

CVSSv2info

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

Exploitinginfo

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: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: open-vm-tools 2009.03.18-154848

Timelineinfo

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

Sourcesinfo

Vendor: vmware.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2009-1143 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 11/23/2022 08:44 PM
Changes: 11/23/2022 08:44 PM (41)
Complete: 🔍

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