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Date: 07/19/2023
Researchers from Armis Security discovered nine vulnerabilities in Honeywell Experion Distributed Control Systems (DCS) which allowed for remote code execution. DCS is commonly used in manufacturing, power production, and chemical production.
The exploitation of these vulnerabilities could disrupt manufacturing processes or power production.
Ensure that operational technology systems are updated to mitigate these vulnerabilities. If the organization does not have one already, ensure an operational technology security plan is in place.
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A proof-of-concept was published to exploit CVE 2023-31998, a heap overflow vulnerability affecting Ubiquiti EdgeRouters 2.0.9-hotfix.6 and earlier and AirCube firmware version 2.8.8 and earlier. The vulnerability is in the device miniupnpd utility and can only be exploited from the LAN. Expect this POC to be used by attackers for privilege escalation and lateral movement.
Potential Impact
Attackers executing code on network infrastructure can achieve much lateral movement throughout the network.
Ensure that impacted devices are upgraded according to the community.ui.com link below.
Sources
https://ssd-disclosure.com/ssd-advisory-edgerouters-and-aircube-miniupnpd-heap-overflow/
SonicWall urges customers to patch multiple critical vulnerabilities impacting the Global Management System (GMS) firewall management and Analytics software suites. Recent patches addressed 15 flaws, but four were critical and could allow an attacker to bypass authentication. Vulnerabilities include:
· CVE-2023-34124: Web Service Authentication Bypass
· CVE-2023-34133: Multiple Unauthenticated SQL Injection Issues & Security Filter Bypass
· CVE-2023-34134: Password Hash Read via Web Service
· CVE-2023-34137: CAS Authentication Bypass
An authenticated attacker could exploit these vulnerabilities, allowing unauthorized access to specific files, leading to persistent malicious access or viewing password hashes. This access could be used to launch attacks against internal systems.
Affected versions include GMS 9.3.2-SP1 or earlier and Analytics 2.5.0.4-R7 or earlier. The recommendation is to apply the patches immediately. Furthermore, it is best practice to avoid having management interfaces publicly accessible.
Sources
Phishing campaigns are being launched that contain malicious MS Word documents that exploit two remote code execution vulnerabilities, CVE-2021-40444 and CVE-2022-30190. The vulnerability tracked as CVE-2021-40444 is a remote code execution vulnerability in MSHTML, which is used to render web pages. CVE-2022-30190 is a vulnerability in MSDT (MS support diagnostic tool). Both vulnerabilities require user interaction, such as clicking on a malicious document, for exploitation to occur.
LokiBot malware is similar to a banking trojan in that the malware will log keystrokes, capture screenshots, and harvest login credentials and other sensitive information from web browsers. Data collected by attackers through LokiBot could be used for additional attacks, such as phishing campaigns or unauthorized account access.
Administrators should ensure patches/fixes are applied for both vulnerabilities. Furthermore, authenticated vulnerability scanning of internal servers and workstations should be conducted regularly (monthly) so that critical vulnerabilities can be identified and addressed.
Sources
https://thehackernews.com/2023/07/cybercriminals-exploit-microsoft-word.html
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Over the course of the last 22 years, Dan has been committed to advancing the state of cybersecurity and has played an instrumental role in the identification and development of critical, next-generation cyber capabilities. He has held positions in almost every facet of cybersecurity, beginning as a computer forensic examiner and progressing through the management and executive leadership ranks. In addition to co-founding AIS, Dan has facilitated multiple cybersecurity startups, raised investment capital and has served in various lead and support roles toward the acquisition of five companies in the last eight years.
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Prior to this role, Francesca was Director of People & Culture at GreyCastle and with her leadership, the company’s culture has been recognized by Inc. Magazine as a Nationally recognized Best Workplace, Albany Business Review Best Places to Work and Albany Times Union Top Workplaces.
Before joining GreyCastle Security, Francesca worked as an OD consultant and focused on strategic culture change at The Kaleel Jamison Consulting Group, Inc. for more than six years. There, she facilitated client education sessions, coached leaders and teams, developed and executed consulting interventions and served as strategy project leader on various client engagements. Her work has taken her into Fortune 100 companies and across borders including Panama, Singapore and beyond.
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Bilingual in English and Italian, Francesca holds a bachelor’s degree in Management and Technology from the Rensselaer Polytechnic Institute’s Lally School of Management & Technology. She was awarded Cybersecurity Recruiter of the year North America in 2017 by the Cybersecurity Excellence Awards.
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