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May 11, 2022
CVE-2022-26923 - Active Directory Domain Services Elevation of Privilege Vulnerability
THE THREAT Microsoft has disclosed a new vulnerability impacting Active Directory Certificate Services (ADCS) tracked as CVE-2022-26923 (Active Directory Domain Services Elevation of Privilege Vulnerability). If exploited successfully, an authenticated attacker can escalate privileges in environments where ADCS is running on the domain. eSentire is aware of technical details and tooling [2] for…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1200+ organizations in 75+ 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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Cybersecurity Leader eSentire Continues Its Commitment to Rigorous Security Standards Earning PCI DSS Certification
Waterloo, ON, May 17, 2022 — eSentire, the Authority in Managed Detection and Response (MDR), maintains one of the most secure and robust IT environments of any MDR provider in the industry. To that end, eSentire today announced that it has received the Payment Card Industry Data Security Standard (PCI DSS) certification, considered one of the most stringent and comprehensive payment card…
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Security advisories — Feb 26, 2019

CVE-2017-7269 IIS 6.0 Buffer Overflow Vulnerability

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eSentire has detected active exploit attempts for CVE-2017-7269 (IIS 6.0 Buffer Overflow Vulnerability). This exploit allows for remote code execution among affected devices. Currently, a proof-of-concept version of the exploit is publicly available to attackers that takes advantage of buffer overflow in the WebDAV component of IIS. Due to the publication of exploit code for this vulnerability, eSentire expects the frequency of exploit attempts may intensify in the coming days.

The WebDAV extension is disabled in a default install of IIS 6.0 and must be explicitly enabled in order for the server to be vulnerable. Exploitation attempts can be identified by looking for HTTP requests using the PROPFIND method and containing an IF header with shellcode in it. The vulnerability has not been detected in other versions of Internet Information Services. It was reportedly being exploited as far back as Summer 2016 but was only disclosed to the public on March 27, 2017.

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References:

https://nvd.nist.gov/vuln/detail/CVE-2017-7269

http://blog.trendmicro.com/trendlabs-security-intelligence/iis-6-0-vulnerability-leads-code-execution/

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