VMSA-2022-0030

• VMware ESXi
• VMware vCenter Server (vCenter Server)
• VMware Cloud Foundation (Cloud Foundation)

Multiple vulnerabilities in VMware ESXi and vCenter Server were privately reported to VMware. Updates are available to remediate these vulnerabilities in affected VMware products.

VMware ESXi contains a memory corruption vulnerability that exists in the way it handles a network socket. VMware has evaluated the severity of this issue to be in the Important severity range with a maximum CVSSv3 base score of 7.5.

A malicious actor with local access to ESXi may exploit this issue to corrupt memory leading to an escape of the ESXi sandbox.

To remediate CVE-2022-31696 apply the patches listed in the ‘Fixed Version’ column of the ‘Response Matrix’ found below.

None.

None.

VMware would like to thank Reno Robert of Trend Micro Zero Day Initiative for reporting this issue to us.

[1] ESXi 6.7 and 6.5 have reached end-of-life. Fixed versions documented in the response matrix were released before the end-of-life date.

The vCenter Server contains an information disclosure vulnerability due to the logging of credentials in plaintext. VMware has evaluated the severity of this issue to be in the Moderate severity range with a maximum CVSSv3 base score of 6.2.

A malicious actor with access to a workstation that invoked a vCenter Server Appliance ISO operation (Install/Upgrade/Migrate/Restore) can access plaintext passwords used during that operation.

To remediate CVE-2022-31697 apply the updates listed in the ‘Fixed Version’ column of the ‘Response Matrix’ below to affected deployments.

None.

None.

VMware would like to thank Zachary Kern-Wies for reporting this vulnerability to us.

[1] vCenter Server 6.7 and 6.5 have reached end-of-life. Fixed versions documented in the response matrix were released before the end-of-life date.

The vCenter Server contains a denial-of-service vulnerability in the content library service. VMware has evaluated the severity of this issue to be in the Moderate severity range with a maximum CVSSv3 base score of 5.8.

A malicious actor with network access to port 443 on vCenter Server may exploit this issue to trigger a denial-of-service condition by sending a specially crafted header.  

To remediate CVE-2022-31698 apply the updates listed in the ‘Fixed Version’ column of the ‘Response Matrix’ below to affected deployments.

None.

None.

VMware would like to thank Marcin ‘Icewall’ Noga of Cisco Talos for reporting this issue to us.

[1] vCenter Server 6.7 and 6.5 have reached end-of-life. Fixed versions documented in the response matrix were released before the end-of-life date.

VMware ESXi contains a heap-overflow vulnerability. VMware has evaluated the severity of this issue to be in the Moderate severity range with a maximum CVSSv3 base score of 4.2.

A malicious local actor with restricted privileges within a sandbox process may exploit this issue to achieve a partial information disclosure.

To remediate CVE-2022-31699 apply the patches listed in the ‘Fixed Version’ column of the ‘Response Matrix’ found below.

None.

None.

VMware would like to thank 01dwang & bibi from Bugab00 team for reporting this issue to us.

[1] ESXi 6.7 and 6.5 have reached end-of-life. Fixed versions documented in the response matrix were released before the end-of-life date. [2] Per the Security Configuration Guides for VMware vSphere, VMware now recommends disabling the OpenSLP service in ESXi if it is not used. This service is disabled by default starting from ESXi 7.0 U2c and ESXi 8.0. For more information, see our blog posting:https://blogs.vmware.com/vsphere/2021/02/evolving-the-vmware-vsphere-security-configuration-guides.html

Fixed Version(s) and Release Notes:

VMware vCenter Server 7.0 U3i
Downloads and Documentation:
https://customerconnect.vmware.com/downloads/get-download?downloadGroup=VC70U3I
https://docs.vmware.com/en/VMware-vSphere/7.0/rn/vsphere-vcenter-server-70u3i-release-notes.html

vCenter Server 6.7 U3s
Downloads and Documentation:
https://customerconnect.vmware.com/downloads/details?downloadGroup=VC67U3S&productId=742
https://docs.vmware.com/en/VMware-vSphere/6.7/rn/vsphere-vcenter-server-67u3s-release-notes.html

vCenter Server 6.5 U3u
Downloads and Documentation:
https://customerconnect.vmware.com/downloads/details?downloadGroup=VC65U3U&productId=614&rPId=74057
https://docs.vmware.com/en/VMware-vSphere/6.5/rn/vsphere-vcenter-server-65u3u-release-notes.html

VMware ESXi 7.0 ESXi70U3si-20841705
Downloads and Documentation:
https://my.vmware.com/group/vmware/patch
https://docs.vmware.com/en/VMware-vSphere/7.0/rn/vsphere-esxi-70u3i-release-notes.html

VMware ESXi 6.7 ESXi670-202210101-SG
Downloads and Documentation:
https://my.vmware.com/group/vmware/patch
https://docs.vmware.com/en/VMware-vSphere/6.7/rn/esxi670-202210001.html

VMware ESXi 6.5 ESXi650-202210101-SG
Downloads and Documentation:
https://my.vmware.com/group/vmware/patch
https://docs.vmware.com/en/VMware-vSphere/6.5/rn/esxi650-202210001.html

KB Articles:
Disable SLP: https://kb.vmware.com/s/article/76372
VCF 4.x/3.x: https://kb.vmware.com/s/article/90336

Mitre CVE Dictionary Links:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31696  
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31697
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31698
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31699

FIRST CVSSv3 Calculator:
CVE-2022-31696: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVE-2022-31697: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVE-2022-31698: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
CVE-2022-31699: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

2022-12-08 VMSA-2022-0030
Initial security advisory.

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fulldisclosure@seclists.org 

E-mail: security@vmware.com

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