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Defence

CVE-2022-22972 & CVE-2022-22973

More VMware Workspace One Vulns

This is a fast publish

Vmware just released patches for two new vulnerabilities in Workspace One, followed by guidance from CISA to patch by May 23rd or remove the devices from the network/internet!

“All Federal Civilian Executive Branch agencies must complete the following actions:

By 5:00 PM EDT on Monday, May 23, 2022:

Enumerate all instances of impacted VMware products [VMware Workspace ONE Access (Access), VMware Identity Manager (vIDM), VMware vRealize Automation (vRA), VMware Cloud Foundation, and vRealize Suite Lifecycle Manager] on agency networks.

Read more “CVE-2022-22972 & CVE-2022-22973” →
Log4Shell Defense

Log4Shell exploitation and hunting on VMware Horizon (CVE-2021-44228)

TLDR

Go and run this on the connection servers:

https://github.com/mr-r3b00t/CVE-2021-44228

It’s crude so also look for the modified timestamps, recent unexpected blast service restarts and if you have process logging go and check for suspicious child processes over the period. Once you have checked, run a backup, then if they aren’t patched, patch the servers! (i know patching isn’t as simple as just patch!)

Read more “Log4Shell exploitation and hunting on VMware Horizon (CVE-2021-44228)” →
Defense

CVE-2021-22005 – vCenter RCE

Introduction

Protecting admin interfaces is a really good idea, network segmentation however is one thing that many organisations struggle with. Most networks are what we call flat. They may be carved up into VLANs but generally speaking, in a lot of networks if you are “inside” then you have full access across the TCP/IP space.

Now here we are talking about the internal attack surface, so a threat actor would need network routable access which should not be the case for things like vcenter interfaces from the internet, however it appears that’s not really exactly how the world works.

Let’s look in Shodan! Read more “CVE-2021-22005 – vCenter RCE” →

Defense

Exposed VMWARE vCenter Servers around the world (CVE-2021-22005)

There’s a new CVE in town but don’t think it’s the only problem you get when you expose administrative interfaces to the wild west of the internet (yeeha or something). Let’s go on a quick exploration of what the world looks like with the help of our friends at Shodan and then let’s see the ramblings of Dan when looking at how benign enumeration and exploration of services can work. Let’s get started looking at the world, a quick face analysis on Shodan with vmware as a product shows a hit or two, what we are going to focus on is vCenter but you know.. you might want to review your attack surfaces so any exposed services (damn people expose some risky stuff!) Read more “Exposed VMWARE vCenter Servers around the world (CVE-2021-22005)” →

Defense

vSphere Unauthenticated Remote Code Execution Vulnerability – VMSA-2021-0002

For vendor guidance please see:

https://www.vmware.com/security/advisories/VMSA-2021-0002.html

CVE Refs: CVE-2021-21972, CVE-2021-21973, CVE-2021-21974

Introduction

There’s a new unauthenticated remove code execution (RCE) in vSphere 6.5, 6.7 and 7.0 which has just dropped. There’s a vendor patch and currently there is no known public exploit however the hunt will now be on and I can imagine that it’s hours and days until this is in the wild rather than weeks or months.

Read more “vSphere Unauthenticated Remote Code Execution Vulnerability – VMSA-2021-0002” →

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