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Jul 29, 2021
UPDATE: PetitPotam NTLM Relay Attack
THE THREAT PetitPotam is a variant of the NTLM Relay attack discovered by security researcher Gilles Lionel. It is tracked as an authentication bypass vulnerability in Active Directory (Certificate Services); currently no CVE identifier has been assigned to this vulnerability. Proof of Concept (PoC) code released last week [1] relies on the Encrypting File System Remote (EFSRPC) protocol to…
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Tecala and eSentire Partner to Protect Enterprises across APAC from Business-Disrupting Cyber Attacks
Sydney, 12 July, 2021 - Tecala, Australia’s award-winning technology services and IT consulting provider, today announced it has chosen eSentire, the global Authority in Managed Detection and Response (MDR) cybersecurity services, as their exclusive MDR solution provider in Australia and New Zealand. This partnership will enable Tecala to augment its cybersecurity practice and offer enterprises…
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Security advisories — Feb 24, 2021

VMware Remote Code Execution Vulnerability 

2 min read

THE THREAT

On February 23rd, 2021, VMware disclosed a critical vulnerability impacting vCenter Servers. The vulnerability, tracked as CVE-2021-21972, allows for remote code execution and if exploited, could result in the full compromise of affected systems. Abuse of this vulnerability does not require authentication or user interaction.

Exploitation of CVE-2021-21972 has not been identified in the wild at this time. Due to the ease of exploitation and high severity (9.8/10), it is likely that threat actors will abuse this vulnerability in the near future. Organizations are recommended to apply the official VMware patch as soon as possible.

What we’re doing about it

What you should do about it

Additional information

CVE-2021-21972 is due to issues found in the vSphere Client (HTML5) in vCenter Server plugin. Confirmed impacted vCenter Servers include versions 6.5, 6.7, and 7.

Proof-of-Concept (POC) code and technical details for CVE-2021-21972 were released on February 24th. This release will decrease the amount of time before exploitation occurs in the wild.

In an attack scenario, a threat actor with network access to port 443 could exploit this issue. The threat actor would then be able to execute commands on the vulnerable system with unrested privileges. No previous authentication or privileges are required.

In the same release, VMware announced patches for two other vulnerabilities:

References:

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

[2] https://kb.vmware.com/s/article/82374

[3] https://swarm.ptsecurity.com/unauth-rce-vmware/