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Oct 19, 2021
Hackers Infect Employees of Law Firms, Manufacturing Companies, and Financial Services Orgs. with Increasingly Pervasive Infostealer, SolarMarker
SolarMarker Infects 5X More Corporate Victims Using Over a Million Poisoned WordPress Pages Key Takeaways eSentire has observed a fivefold increase in SolarMarker infections. Prior to September, eSentire’s Threat Response Unit (TRU) detected and shut down one infection per week. Beginning in September, TRU averaged the detection and shutdown of five per week. SolarMarker is a…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1000+ organizations in 70+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
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eSentire Launches MDR with Microsoft Azure Sentinel Extending Response Capabilities Across Entire Microsoft Security Ecosystem
Waterloo, ON – Oct. 12, 2021 -- eSentire, recognized globally as the Authority in Managed Detection and Response (MDR), today announced the expansion of its award-winning MDR services with Microsoft Azure Sentinel, as part of its integration with the complete Microsoft 365 Defender and Azure Defender product suites supporting Microsoft SIEM, endpoint, identity, email and cloud security services.…
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Security advisories — Oct 21, 2020

Critical VMware Vulnerability

THE THREAT

On October 20th, 2020, VMware announced a critical vulnerability affecting several VMware products [1]. CVE-2020-3992 allows for Remote Code Execution (RCE). If exploited, a threat actor with access to the management network, can execute remote code without authentication on vulnerable machines. The vulnerability is rated accordingly at a criticality score of 9.8 out of 10.

Although exploitation of CVE-2020-3992 has not been identified at this time, eSentire has determined that exploitation is likely in the near future, given the severity of this vulnerability. Organizations are strongly recommended to deploy security patches before exploitation is identified in the wild.

What we’re doing about it

What you should do about it

Additional information

CVE-2020-3992 is a Use After Free vulnerability. The vulnerability resides in the processing of SLP messages; the lack of validation of objects allows a threat actor to execute code in the context of the SLP daemon [1].

In order to exploit this vulnerability, a threat actor would need pervious access to the network and port 427 on an ESXi machine. Authentication is not required for successful exploitation.

Affected Products:

References:

[1] https://www.zerodayinitiative.com/advisories/ZDI-20-1269/

[2] https://www.vmware.com/security/advisories/VMSA-2020-0023.html

[3] https://kb.vmware.com/s/article/76372