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Monday, December 23, 2024

Over Two Dozen Flaws Identified in Advantech Industrial Wi-Fi Access Points – Patch ASAP

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Practically two dozen safety vulnerabilities have been disclosed in Advantech EKI industrial-grade wi-fi entry level gadgets, a few of which may very well be weaponized to bypass authentication and execute code with elevated privileges.

“These vulnerabilities pose vital dangers, permitting unauthenticated distant code execution with root privileges, thereby absolutely compromising the confidentiality, integrity, and availability of the affected gadgets,” cybersecurity firm Nozomi Networks stated in a Wednesday evaluation.

Following accountable disclosure, the weaknesses have been addressed within the following firmware variations –

  • 1.6.5 (for EKI-6333AC-2G and EKI-6333AC-2GD)
  • 1.2.2 (for EKI-6333AC-1GPO)

Six of the recognized 20 vulnerabilities have been deemed crucial, permitting an attacker to acquire persistent entry to inner assets by implanting a backdoor, set off a denial-of-service (DoS) situation, and even repurpose contaminated endpoints as Linux workstations to allow lateral motion and additional community penetration.

Of the six crucial flaws, 5 (from CVE-2024-50370 by CVE-2024-50374, CVSS scores: 9.8) relate to improper neutralization of particular components utilized in an working system (OS) command, whereas CVE-2024-50375 (CVSS rating: 9.8) considerations a case of lacking authentication for a crucial perform.

Additionally of be aware is CVE-2024-50376 (CVSS rating: 7.3), a cross-site scripting flaw that may very well be chained with CVE-2024-50359 (CVSS rating: 7.2), one other occasion of OS command injection that will in any other case require authentication, to attain arbitrary code execution over-the-air.

That stated, to ensure that this assault to achieve success, it requires the exterior malicious person to be in bodily proximity to the Advantech entry level and broadcast a rogue entry level.

Industrial Wi-Fi Access Points

The assault will get activated when an administrator visits the “Wi-Fi Analyzer” part within the net software, inflicting the web page to mechanically embed info acquired by beacon frames broadcasted by the attacker with none sanitization checks.

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“One such piece of knowledge an attacker might broadcast by its rogue entry level is the SSID (generally known as the ‘Wi-Fi community identify’),” Nozomi Networks stated. “The attacker might subsequently insert a JavaScript payload as SSID for its rogue entry level and exploit CVE-2024-50376 to set off a Cross-Web site Scripting (XSS) vulnerability inside the net software.”

The result’s the execution of arbitrary JavaScript code within the context of the sufferer’s net browser, which might then be mixed with CVE-2024-50359 to attain command injection on the OS degree with root privileges. This might take the type of a reverse shell that gives persistent distant entry to the menace actor.

“This may allow attackers to achieve distant management over the compromised machine, execute instructions, and additional infiltrate the community, extracting knowledge or deploying further malicious scripts,” the corporate stated.

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