{"id":8991,"date":"2022-05-03T10:34:00","date_gmt":"2022-05-03T10:34:00","guid":{"rendered":"https:\/\/www.prnasia.com\/story\/archive\/3744477_AE44477_0"},"modified":"2022-05-03T10:34:00","modified_gmt":"2022-05-03T10:34:00","slug":"armis-discovers-tlstorm-2-0-five-critical-vulnerabilities-in-network-switches-organizations-around-the-world-at-risk","status":"publish","type":"post","link":"https:\/\/transmediavictoria.net.au\/?p=8991","title":{"rendered":"Armis Discovers &#8220;TLStorm 2.0,&#8221; Five Critical Vulnerabilities in Network Switches, Organizations Around the World at Risk"},"content":{"rendered":"<table name=\"logo_release\" border=\"0\" cellspacing=\"10\" cellpadding=\"5\" align=\"right\">\n<tbody>\n<tr>\n<td><img decoding=\"async\" src=\"https:\/\/mma.prnasia.com\/media2\/519971\/Armis_Logo.jpg?p=medium600\" border=\"0\" alt title=\"logo\" hspace=\"0\" vspace=\"0\" width=\"118\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><i>Vulnerabilities found in widely-used network switches could allow attackers to bypass security features such as network segmentation to gain access to critical systems<\/i><\/p>\n<p><span class=\"xn-location\">PALO ALTO, Calif.<\/span>, <span class=\"xn-chron\">May 3, 2022<\/span> \/PRNewswire\/ &#8212; <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3524024-1&amp;h=3583773048&amp;u=https%3A%2F%2Fwww.armis.com%2F&amp;a=Armis\" target=\"_blank\" rel=\"nofollow noopener\">Armis<\/a><\/u>, the leading unified asset visibility and security platform, today announced the disclosure of five critical vulnerabilities, known as <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3524024-1&amp;h=1301089743&amp;u=https%3A%2F%2Fwww.armis.com%2Ftlstorm%2F&amp;a=TLStorm+2.0\" target=\"_blank\" rel=\"nofollow noopener\">TLStorm 2.0<\/a><\/u>, in the implementation of TLS communications in multiple models of network switches. The vulnerabilities stem from a similar design flaw identified in the <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3524024-1&amp;h=3976960553&amp;u=https%3A%2F%2Fwww.armis.com%2Ftlstorm%2F&amp;a=TLStorm\" target=\"_blank\" rel=\"nofollow noopener\">TLStorm<\/a><\/u> vulnerabilities (discovered earlier this year by Armis), expanding the reach of TLStorm to millions of additional enterprise-grade network infrastructure devices.<\/p>\n<p>In <span class=\"xn-chron\">March 2022<\/span>, Armis first disclosed TLStorm\u2014three critical vulnerabilities in APC Smart-UPS devices. The vulnerabilities allow an attacker to gain control of Smart-UPS devices from the internet with no user interaction, resulting in the UPS overloading and eventually destroying itself in a cloud of smoke. The root cause for these vulnerabilities was a misuse of NanoSSL, a popular TLS library by Mocana. Using the Armis knowledgebase\u2014a database of more than two billion assets\u2014our researchers identified dozens of devices using the Mocana NanoSSL library. The findings include not only the APC Smart-UPS devices but also two popular network switch vendors that are affected by a similar implementation flaw of the library. While UPS devices and network switches differ in function and levels of trust within the network, the underlying TLS implementation issues allow for devastating consequences.<\/p>\n<p>The new TLStorm 2.0 research exposes vulnerabilities that could allow an attacker to take full control over network switches used in airports, hospitals, hotels, and other organizations worldwide. The affected vendors are <span class=\"xn-location\">Aruba<\/span> (acquired by HPE) and Avaya Networking (acquired by ExtremeNetworks). We have found that both vendors have switches vulnerable to remote code execution (RCE) vulnerabilities that can be exploited over the network, leading to:<\/p>\n<ul type=\"disc\">\n<li>Breaking of network segmentation, allowing lateral movement to additional devices by changing the behavior of the switch<\/li>\n<li>Data exfiltration of corporate network traffic or sensitive information from the internal network to the Internet<\/li>\n<li>Captive portal escape<\/li>\n<\/ul>\n<p>These research findings are significant as they highlight that the network infrastructure itself is at risk and exploitable by attackers, meaning that network segmentation alone is no longer sufficient as a security measure.<\/p>\n<p>&#8220;Research at Armis is driven by one simple purpose: Identify emerging security threats to provide our customers with real-time and continuous protection,&#8221; said <span class=\"xn-person\">Barak Hadad<\/span>, Head of Research, Armis. &#8220;The TLStorm set of vulnerabilities are a prime example of threats to assets that were previously not visible to most security solutions, showing that network segmentation is no longer a sufficient mitigation and proactive network monitoring is essential. Armis researchers will continue to explore assets across all environments to make sure our knowledgebase of more than two billion assets is sharing the latest threat mitigations to all of our partners and customers.&#8221;<\/p>\n<p><b>Captive Portals <\/b><\/p>\n<p>A captive portal is the web page displayed to newly-connected users of a Wi-Fi or wired network before they are granted broader access to network resources. Captive portals are commonly used to present a login page that may require authentication, payment, or other valid credentials that both the host and user agree upon. Captive portals provide access to a broad range of mobile and pedestrian broadband services, including cable and commercially provided Wi-Fi and home hotspots, and enterprise or residential wired networks, such as apartment complexes, hotel rooms, and business centers.<\/p>\n<p>Using the TLStorm 2.0 vulnerabilities, an attacker can abuse the captive portal and gain remote code execution over the switch with no need for authentication. Once the attacker has control over the switch, they can disable the captive portal altogether and move laterally to the corporate network.<\/p>\n<p><b>Vulnerability Details and Affected Devices<\/b><\/p>\n<p><b><span class=\"xn-location\">Aruba<\/span><\/b><\/p>\n<ul type=\"disc\">\n<li><b><span class=\"xn-money\">CVE-2022<\/span>-23677 (9.0 CVSS score)<\/b>&nbsp;&#8211; NanoSSL misuse on multiple interfaces (RCE)<\/li>\n<ul type=\"disc\">\n<li>The NanoSSL library mentioned above is used throughout the firmware of <span class=\"xn-location\">Aruba<\/span> switches for multiple purposes. The two main use cases for which the TLS connection made using the NanoSSL library is not secure and can lead to RCE:<\/li>\n<ul type=\"disc\">\n<li>Captive portal &#8211; A user of the captive portal can take control of the switch prior to authentication.<\/li>\n<li>RADIUS authentication client &#8211; A vulnerability in the RADIUS connection handling could allow an attacker that is able to intercept the RADIUS connection via a man in the middle attack to gain RCE over the switch with no user interaction.<\/li>\n<\/ul>\n<\/ul>\n<li><b><span class=\"xn-money\">CVE-2022<\/span>-23676 (9.1 CVSS score)<\/b>&nbsp;&#8211; RADIUS client memory corruption vulnerabilities<\/li>\n<ul type=\"disc\">\n<li>RADIUS is an authentication, authorization, accounting (AAA) client\/server protocol that allows central authentication for users who attempt to access a network service. The RADIUS server responds to access requests from network services that act as clients. The RADIUS server checks the information in the access request and responds with authorization of the access attempt, a rejection, or a challenge for more information.<\/li>\n<li>There are two memory corruption vulnerabilities in the RADIUS client implementation of the switch;&nbsp; they lead to heap overflows of attacker-controlled data. This can allow a malicious RADIUS server, or an attacker with access to the RADIUS shared secret, to remotely execute code on the switch.<\/li>\n<\/ul>\n<\/ul>\n<p><span class=\"xn-location\">Aruba<\/span> devices affected by TLStorm 2.0:<\/p>\n<ul type=\"disc\">\n<li><span class=\"xn-location\">Aruba<\/span> 5400R Series<\/li>\n<li><span class=\"xn-location\">Aruba<\/span> 3810 Series<\/li>\n<li><span class=\"xn-location\">Aruba<\/span> 2920 Series<\/li>\n<li><span class=\"xn-location\">Aruba<\/span> 2930F Series<\/li>\n<li><span class=\"xn-location\">Aruba<\/span> <span class=\"xn-money\">2930M<\/span> Series<\/li>\n<li><span class=\"xn-location\">Aruba<\/span> 2530 Series<\/li>\n<li><span class=\"xn-location\">Aruba<\/span> 2540 Series<\/li>\n<\/ul>\n<p><b>Avaya management interface pre-auth vulnerabilities<\/b><\/p>\n<p>The attack surface for all three vulnerabilities of the Avaya switches is the web management portal and none of the vulnerabilities require any type of authentication, making it a zero-click vulnerability group.<\/p>\n<ul type=\"disc\">\n<li><b><span class=\"xn-money\">CVE-2022<\/span>-29860 (CVSS 9.8) &#8211; TLS reassembly heap overflow<\/b><\/li>\n<ul type=\"disc\">\n<li>This is a similar vulnerability to <span class=\"xn-money\">CVE-2022<\/span>-22805&nbsp;that Armis found in APC Smart-UPS devices. The process handling POST requests on the webserver does not properly validate the NanoSSL return values, resulting in a heap overflow that can lead to remote code execution.<\/li>\n<\/ul>\n<li><b><span class=\"xn-money\">CVE-2022<\/span>-29861 (CVSS 9.8) &#8211; HTTP header parsing stack overflow<\/b><\/li>\n<ul type=\"disc\">\n<li>An improper boundary check in the handling of multipart form data combined with a string that is not null-terminated leads to attacker-controlled stack overflow that may lead to RCE.<\/li>\n<\/ul>\n<li><b>HTTP POST request handling heap overflow<\/b><\/li>\n<ul type=\"disc\">\n<li>A vulnerability in the handling of HTTP POST requests due to missing error checks of the Mocana NanoSSL library leads to a heap overflow of attacker-controlled length, which may lead to RCE. This vulnerability has no CVE because it was found in a discontinued product line of Avaya meaning no patch will be issued to fix this vulnerability, though Armis data shows these devices can still be found in the wild.<\/li>\n<\/ul>\n<\/ul>\n<p>Avaya devices affected by TLStorm 2.0:<\/p>\n<ul type=\"disc\">\n<li>ERS3500 Series<\/li>\n<li>ERS3600 Series<\/li>\n<li>ERS4900 Series<\/li>\n<li>ERS5900 Series<\/li>\n<\/ul>\n<p><b>Updates and Mitigations<\/b><\/p>\n<p><span class=\"xn-location\">Aruba<\/span> and Avaya collaborated with Armis on this matter, and customers were notified and issued patches to address most of the vulnerabilities. To the best of our knowledge, there is no indication the TLStorm 2.0 vulnerabilities have been exploited.<\/p>\n<p>Organizations deploying impacted <span class=\"xn-location\">Aruba<\/span> devices should patch impacted devices immediately with patches in the Aruba Support Portal <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3524024-1&amp;h=1127302710&amp;u=https%3A%2F%2Fasp.arubanetworks.com%2F&amp;a=here\" target=\"_blank\" rel=\"nofollow noopener\">here<\/a><\/u>.<\/p>\n<p>Organizations deploying impacted Avaya devices should check security advisories immediately in the Avaya Support Portal <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3524024-1&amp;h=2425073961&amp;u=https%3A%2F%2Fextremeportal.force.com%2FExtrSupportHome&amp;a=here\" target=\"_blank\" rel=\"nofollow noopener\">here<\/a><\/u>.<\/p>\n<p>Armis customers can immediately identify devices that are vulnerable in their environments and begin remediation. To speak with an Armis expert and experience our award-winning unified asset visibility and security platform, click <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3524024-1&amp;h=427818686&amp;u=https%3A%2F%2Fwww.armis.com%2Fdemo%2F&amp;a=here\" target=\"_blank\" rel=\"nofollow noopener\">here<\/a><\/u>.<\/p>\n<p><b>Research Presentations<\/b><\/p>\n<p>Armis experts will discuss the TLStorm research during the following event:<\/p>\n<p><b>Additional Resources<\/b><\/p>\n<p><b>About Armis<\/b><\/p>\n<p>Armis is the leading unified asset visibility and security platform designed to address the new threat landscape that connected devices create. Fortune 1000 companies trust our real-time and continuous protection to see with full context all managed, unmanaged assets across IT, Cloud, IoT devices, medical devices (IoMT), operational technology (OT), industrial control systems (ICS) and 5G. Armis provides passive and unparalleled cybersecurity asset management, risk management, and automated enforcement. Armis is a privately held company and headquartered in <span class=\"xn-location\">Palo Alto, California<\/span>. Visit <u><a href=\"https:\/\/c212.net\/c\/link\/?t=0&amp;l=en&amp;o=3524024-1&amp;h=3512895106&amp;u=http%3A%2F%2Fwww.armis.com%2F&amp;a=www.armis.com\" target=\"_blank\" rel=\"nofollow noopener\">www.armis.com<\/a><\/u>.<\/p>\n<p><b>Media Contacts:<br \/><\/b><span class=\"xn-person\">Dillon Townsel<\/span><br \/>Sr. Director, Public &amp; Media Relations<br \/><u><a href=\"mailto:dillon@armis.com\" target=\"_blank\" rel=\"nofollow noopener\">dillon@armis.com<\/a><br \/><\/u>512-571-3455<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vulnerabilities found in widely-used network switches could allow attackers to bypass security features such as network segmentation to gain access to critical systems PALO ALTO, Calif., May 3, 2022 \/PRNewswire\/ &#8212; Armis, the leading unified asset visibility and security platform, today announced the disclosure of five critical vulnerabilities, known as TLStorm 2.0, in the implementation [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":8992,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-8991","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-business-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Armis Discovers &quot;TLStorm 2.0,&quot; 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