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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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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

WebEx Remote Code Execution Vulnerability

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A remote code execution vulnerability, designated CVE-2018-01121, has been discovered in three Cisco WebEx products. If security patches are not applied, a remote attacker may be able to execute malicious code on the machines of all individuals attending a WebEx meeting. The affected WebEx products fail to fully validate shared files, allowing the attacker to send and execute a malicious Adobe Flash (.swf) file. The eSentire Threat Intelligence team is not currently aware of any cases of CVE-2018-0112 being exploited in the wild.

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Additional information

For this attack to be successfully executed, an attacker would require access to an ongoing Cisco WebEx Meeting. The attacker could then send a malicious flash file to all meeting attendees’ machines via the meeting file transfer tool. The file can then be executed on attendees’ machines. There is no known solution to this issue outside of applying the latest Cisco patches.

For additional information on this vulnerability and the patching process, please see the Cisco WebEx release 2.

Affected products:

[1] https://nvd.nist.gov/vuln/detail/CVE-2018-0112

[2] https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-wbs

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