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ZMCIRT Vulnerability Bulletin
ZMC-2022.24.08.0900
VMware Tools: CVSS (Max): 7.0
24th August 2022
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Product: VMware Tools
Publisher: VMware
Operating System: VMware ESX Server
Windows
Linux variants
Resolution: Patch/Upgrade
CVE Names: CVE-2022-31676
Original Bulletin:
https://www.vmware.com/security/advisories/VMSA-2022-0024.html
Comment: CVSS (Max): 7.0 CVE-2022-31676 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: VMware
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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Important
Advisory ID: VMSA-2022-0024
CVSSv3 Range: 7.0
Issue Date: 2022-08-23
Updated On: 2022-08-23 (Initial Advisory)
CVE(s): CVE-2022-31676
Synopsis: VMware Tools update addresses a local privilege escalation
vulnerability (CVE-2022-31676)
1. Impacted Products
o VMware Tools
2. Introduction
VMware Tools was impacted by a local privilege escalation
vulnerability. Updates are available to remediate this vulnerability in
affected VMware products.
3. Local privilege escalation vulnerability (CVE-2022-31676)
Description
VMware Tools contains a local privilege escalation vulnerability. VMware has
evaluated the severity of this issue to be in the Important severity range
with a maximum CVSSv3 base score of 7.0 .
Known Attack Vectors
A malicious actor with local non-administrative access to the Guest OS can
escalate privileges as a root user in the virtual machine.
Resolution
To remediate CVE-2022-31676 apply the patches listed in the 'Fixed Version'
column of the 'Response Matrix' found below.
Workarounds
None.
Additional Documentation
None.
Notes
VMware Tools 10.3.25 only applies to the older Linux releases.
Acknowledgements
None.
Response Matrix
Product Version Running CVE Identifier CVSSv3 Severity Fixed Workarounds Additional
On Version Documentation
VMware 12.x.y, Windows CVE-2022-31676 7.0 important 12.1.0 None None
Tools 11.x.y
VMware 12.x.y, Linux CVE-2022-31676 7.0 important 12.1.0 None None
Tools 11.x.y
VMware 10.x.y Linux CVE-2022-31676 7.0 important 10.3.25 None None
Tools
4. References
Fixed Version(s) and Release Notes:
VMware Tools 12.1.0
Downloads and Documentation:
https://customerconnect.vmware.com/downloads/details?downloadGroup=VMTOOLS1210
&productId=1259&rPId=92824
https://docs.vmware.com/en/VMware-Tools/12.1/rn/
VMware-Tools-1210-Release-Notes.html
VMware Tools 10.3.25
https://customerconnect.vmware.com/downloads/details?downloadGroup=
VMTOOLS10325&productId=1072&rPId=92945
https://docs.vmware.com/en/VMware-Tools/10.3/rn/
VMware-Tools-10325-Release-Notes.html
Mitre CVE Dictionary Links:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31676
FIRST CVSSv3 Calculator:
CVE-2022-31676: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/
PR:L/UI:N/S:U/C:H/I:H/A:H
5. Change Log
2022-08-23 VMSA-2022-0024
Initial security advisory.
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ZMCIRT has made every effort to ensure that the information contained
in this document is accurate. However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. ZMCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.
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