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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 09, 2021

Adobe Reader Critical Zero-Day Vulnerability

1 min read

THE THREAT

On February 9, 2021, Adobe announced security patches for a variety of vulnerabilities affecting their products, including a previously unidentified zero-day vulnerability. The zero-day vulnerability (CVE-2021-21017) affects Adobe Reader on Windows and macOS devices and is being actively exploited in the wild for users on Windows. CVE-2021-21017 is a heap-based buffer overflow vulnerability, that if exploited allows for remote code execution. The vulnerability is rated as critical by Adobe.

As this vulnerability is already being exploited by actors in the wild, it is highly recommended that organizations test and deploy the official Adobe patch as soon as possible.

What we’re doing about it

What you should do about it

Additional information

Details relating to attacks exploiting CVE-2021-21017 in the wild are currently not publicly available. eSentire security teams are actively tracking this threat for additional details.

Outside of CVE-2021-21017, Adobe released 16 other vulnerabilities ranked as critical, along with a variety of less severe vulnerabilities. At this time, only CVE-2021-21017 has been identified as being exploited in the wild. It is recommended that organizations apply all relevant Adobe patches as soon as possible to avoid being impacted by this vulnerability.

References:

[1] https://helpx.adobe.com/security/products/acrobat/apsb21-09.html