/ Security News /

The digital security team at the U.K. National Health Service (NHS) has raised the alarm on active exploitation of Log4Shell vulnerabilities in unpatched VMware Horizon servers by an unknown threat actor to drop malicious web shells and establish persistence on affected networks for follow-on attacks. “The attack likely consists of a reconnaissance phase, where the …

/ Security News /

Network security vendor SonicWall is urging customers to update their SMA 100 series appliances to the latest version following the discovery of multiple security vulnerabilities that could be abused by a remote attacker to take complete control of an affected system. The flaws impact SMA 200, 210, 400, 410, and 500v products running versions 9.0.0.11-31sv …

/ Security News /

Threat actors are exploiting ProxyLogon and ProxyShell exploits in unpatched Microsoft Exchange Servers as part of an ongoing spam campaign that leverages stolen email chains to bypass security software and deploy malware on vulnerable systems. The findings come from Trend Micro following an investigation into a number of intrusions in the Middle East that culminated …

/ Security News /

Cybersecurity agencies from Australia, the U.K., and the U.S. on Wednesday released a joint advisory warning of active exploitation of Fortinet and Microsoft Exchange ProxyShell vulnerabilities by Iranian state-sponsored actors to gain initial access to vulnerable systems for follow-on activities, including data exfiltration and ransomware. The threat actor is believed to have leveraged multiple Fortinet …

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As many as 13 security vulnerabilities have been discovered in the Nucleus TCP/IP stack, a software library now maintained by Siemens and used in three billion operational technology and IoT devices that could allow for remote code execution, denial-of-service (DoS), and information leak. Collectively called “NUCLEUS:13,” successful attacks abusing the flaws can “result in devices …

/ Security News /

Cybersecurity researchers on Tuesday disclosed 14 critical vulnerabilities in the BusyBox Linux utility that could be exploited to result in a denial-of-service (DoS) condition and, in select cases, even lead to information leaks and remote code execution. The security weaknesses, tracked from CVE-2021-42373 through CVE-2021-42386, affect multiple versions of the tool ranging from 1.16-1.33.1, DevOps …

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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of critical vulnerabilities affecting Philips Tasy electronic medical records (EMR) system that could be exploited by remote threat actors to extract sensitive personal data from patient databases. “Successful exploitation of these vulnerabilities could result in patients’ confidential data being exposed or extracted from Tasy’s database, …

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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has published a catalog of vulnerabilities, including from Apple, Cisco, Microsoft, and Google, that have known exploits and are being actively exploited by malicious cyber actors, in addition to requiring federal agencies to prioritize applying patches for those security flaws within “aggressive” timeframes. “These vulnerabilities pose significant …

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Google on Monday announced that it will pay security researchers to find exploits using vulnerabilities, previously remediated or otherwise, over the next three months as part of a new bug bounty program to improve the security of the Linux kernel. To that end, the company is expected to issue rewards worth $31,337 for exploiting privilege …

/ Security News /

Multiple vulnerabilities have been disclosed in Hitachi Vantara’s Pentaho Business Analytics software that could be abused by malicious actors to upload arbitrary data files and even execute arbitrary code on the underlying host system of the application. The security weaknesses were reported by researchers Alberto Favero from German cybersecurity firm Hawsec and Altion Malka from …