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Systems that donвЂ™t have external interfaces are not affected, nor are systems running newer versions of QNX SDP, QNX OS for Medical and QNX for Safety. The vulnerability, CVE-2021-22156, has been given a Common Vulnerability Score of 9. The company added it isnвЂ™t aware of any exploitation of this vulnerability.

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The full list of affected QNX products is available here. At this time no customers have indicated that they have been impacted.вЂќ Additionally, BlackBerry is providing 24/7 support to customers as required.

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вЂњBlackBerry has made software patches available to resolve the matter. вЂњAll potentially affected customers have been notified,вЂќ the company said in a statement. It also said the vulnerability doesnвЂ™t impact current or recent versions of the QNX RTOS, but rather versions dating from 2012 and earlier. In an advisory issued Tuesday the company said an integer overflow vulnerability in the calloc() function of the C runtime library in QNX Software Development Platform (SDP) version 6.5.0SP1 and earlier, QNX OS for Medical 1.1 and earlier, and QNX OS for Safety 1.0.1 and earlier could potentially allow a successful attacker to perform a denial of service or execute arbitrary code. QNX is a real-time embedded operating system used in a wide range of industrial systems including medical ventilators, medical robots, train controls, cars, and factory automation systems. вЂњItвЂ™s always better to take early, proactive measures to show your consumers that youвЂ™re doing everything in your power to keep their data - and in this case their physical security - safe.BlackBerry has warned software developers and IoT product manufacturers using its QNX operating system that some versions of its development platform and OS have a vulnerability that has to be patched immediately. вЂњSoftware supply chain issues are main stage now, and are the gateway drug to extortion, ransomware, and botnets,вЂќ argued BreachQuest CISO, AJ King. However, this stance changed after the firm concluded that it could not identify all affected downstream customers that may be using the RTOS via OEM-ed products, according to Politico. It has been reported that BlackBerry officials first denied that BadAlloc affected their software and then chose not to go public with the news when the flaws were first revealed several months ago. The US Food and Drug Administration has also issued a bulletin, claiming that medical device manufacturers are currently assessing and working to mitigate the vulnerability. BlackBerry claimsВ that the RTOS вЂњis trusted in more than 195 million vehiclesвЂќ and embedded in systems across вЂњaerospace and defense, automotive, commercial vehicles, heavy machinery, industrial controls, medical, rail and robotics.вЂќ The issue is more urgent given the widespread deployment of QNX in critical infrastructure.

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It has a CVSS score of 9.0, marking it as вЂњcritical.вЂќДЄlthough no current reports suggest the bug has been exploited in the wild, CISA urged any organizations вЂњdeveloping, maintaining, supporting, or usingвЂќ affected systems to patch immediately. The Cybersecurity and Infrastructure Security Agency (CISA) has issued an alertВ warning that the QNX RTOS is vulnerable to one of them, CVE-2021-22156, potentially enabling an attacker to perform denial-of-service or remotely control sensitive systems.

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These remote code execution (RCE) bugs cover over 25 CVEs and take the form of integer overflow or wraparound vulnerabilities, it said at the time. Microsoft first discovered the so-called вЂњBadAllocвЂќ flawsВ in April. A vulnerability in BlackBerryвЂ™s QNX Real-Time Operating System (RTOS) could pose a serious security risk to critical infrastructure providers, the US government has warned.

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