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VMware Security Advisories: Critical Vulnerabilities and Recommended Workarounds

As a VMware user, it’s essential to stay informed about any security advisories related to your products. In this article, we will discuss two recent security advisories from VMware that address critical vulnerabilities in vCenter Server and Cloud Foundation, as well as recommended workarounds to help protect your systems.

vCenter Server Vulnerability (VMSA-2021-0025.6)

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VMware has released a security advisory (VMSA-2021-0025.6) that addresses a critical vulnerability in vCenter Server. The vulnerability, which affects vCenter Server versions 6.7 and earlier, is caused by an insufficient input validation issue in the web interface. This vulnerability could allow an attacker to elevate their privileges to that of an administrator on the affected system.

To exploit this vulnerability, an attacker must first gain access to the vCenter Server system. Once they have gained access, they can use a specially crafted request to exploit the input validation issue and escalate their privileges.

Recommended Workarounds:

VMware recommends that all users of affected versions of vCenter Server apply the following workarounds to mitigate this vulnerability:

1. Upgrade to vCenter Server version 6.7.1 or later. This version includes a fix for the vulnerability and can be downloaded from the VMware website.

2. Apply the CVSSv3 7.1 (2021-0025.6) patch, which is available for vCenter Server versions 6.7 and earlier. This patch can be applied using the vSphere Update Manager (VUM).

Cloud Foundation Vulnerability (VMSA-2022-0034)

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VMware has also released a security advisory (VMSA-2022-0034) that addresses a critical vulnerability in Cloud Foundation. The vulnerability, which affects Cloud Foundation versions 3.1 and earlier, is caused by an insufficient input validation issue in the web interface. This vulnerability could allow an attacker to elevate their privileges to that of an administrator on the affected system.

To exploit this vulnerability, an attacker must first gain access to the Cloud Foundation system. Once they have gained access, they can use a specially crafted request to exploit the input validation issue and escalate their privileges.

Recommended Workarounds:

VMware recommends that all users of affected versions of Cloud Foundation apply the following workarounds to mitigate this vulnerability:

1. Upgrade to Cloud Foundation version 3.2 or later. This version includes a fix for the vulnerability and can be downloaded from the VMware website.

2. Apply the CVSSv3 4.4-7.2 (2022-0034) patch, which is available for Cloud Foundation versions 3.1 and earlier. This patch can be applied using the vSphere Update Manager (VUM).

Conclusion

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In conclusion, VMware has released two security advisories that address critical vulnerabilities in vCenter Server and Cloud Foundation. These vulnerabilities could allow an attacker to elevate their privileges to that of an administrator on the affected system. To mitigate these vulnerabilities, VMware recommends applying the recommended workarounds, which include upgrading to the latest versions of the products or applying the relevant patches. By taking these steps, you can help protect your systems and prevent potential security breaches.