News

VMware Confirms Live Exploits Hitting Just-Patched Security Flaw

Less than two weeks after shipping urgent patches to cover security defects in its Aria Operations for Networks product, VMware says hackers have started launching exploits in the wild. The virtualization technology giant on Tuesday updated a critical-level bulletin with a blunt warning to businesses running the network monitoring software: “VMware has confirmed that exploitation of CVE-2023-20887 has occurred in the wild.” The live exploits, first flagged by GreyNoise, target the CVE-2023-20887 command injection vulnerability…

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Asus Patches Highly Critical WiFi Router Flaws

Taiwanese computer hardware manufacturer Asus on Monday shipped urgent firmware updates to address vulnerabilities in its WiFi router product lines and warned users of the risk of remote code execution attacks. In an advisory, Asus documented at least nine security defects and multiple security weaknesses that allow code execution, denial-of-service, information disclosure and authentication bypasses. The most serious of the nine vulnerabilities, a highly critical bug with a CVSS severity rating of 9.8/10, dates back…

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Microsoft Says Early June Disruptions to Outlook, Cloud Platform, Were Cyberattacks

In early June, sporadic but serious service disruptions plagued Microsoft’s flagship office suite — including the Outlook email and OneDrive file-sharing apps — and cloud computing platform. A shadowy hacktivist group claimed responsibility, saying it flooded the sites with junk traffic in distributed denial-of-service attacks. Initially reticent to name the cause, Microsoft has now disclosed that DDoS attacks by the murky upstart were indeed to blame. But the software giant has offered few details —…

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In Other News: Linux Kernel Exploits, Update on BEC Losses, Cybersecurity Awareness Act

SecurityWeek is publishing a weekly cybersecurity roundup that provides a concise compilation of noteworthy stories that might have slipped under the radar. We provide a valuable summary of stories that may not warrant an entire article, but are nonetheless crucial for a comprehensive understanding of the cybersecurity landscape. Each week, we will curate and present a collection of noteworthy developments, ranging from the latest vulnerability discoveries and emerging attack techniques to significant policy changes and…

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Russian National Arrested, Charged in US Over Role in LockBit Ransomware Attacks

The US Justice Department on Thursday announced charges against a third Russian national allegedly involved in deploying the LockBit ransomware. The man, Ruslan Magomedovich Astamirov, 20, of Chechen Republic, Russia, who was arrested in Arizona, allegedly owned, controlled, and used multiple IP addresses, email addresses, and other online accounts to deploy the LockBit ransomware and communicate with victims. According to court documents, in at least one instance, authorities were able to trace a victim’s payment…

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CISA, NSA Share Guidance on Hardening Baseboard Management Controllers

The Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have published new guidance to help organizations harden baseboard management controllers (BMCs). Typically part of a motherboard, a BMC is a specialized service processor used for monitoring the physical state of a system, server, or other device, collecting information such as temperature, voltage, humidity, and fan speeds. Operating separately from the operating system and the system’s firmware (such as BIOS and UEFI),…

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Microsoft Outs New Russian APT Linked to Wiper Attacks in Ukraine

Security researchers at Microsoft are publicly outing a new APT group linked to Russia’s General Staff Main Intelligence Directorate (GRU), warning that the threat actor has worked on destructive wiper malware attacks that hit organizations in Ukraine. A new report from Redmond’s threat intelligence team tagged the group as ‘Cadet Blizzard’ and documented signs and evidence that adds clarity to the scope and usage of malware in a wartime environment. “[The] emergence of a novel…

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Microsoft Patches Critical Windows Vulns, Warn of Code Execution Risks

Microsoft’s security response team on Tuesday rolled out a massive batch of software updates to address major security gaps in its flagship Windows operating system and software components. Redmond’s monthly Patch Tuesday updates cover at least 70 documented vulnerabilities affecting the Windows ecosystem, including six critical issues that expose users to dangerous code execution attacks. According to Microsoft, none of the vulnerabilities have been publicly discussed or exploited in the wild. Windows network administrators are…

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US Government Provides Guidance on Software Security Guarantee Requirements

The US Office of Management and Budget (OMB) has issued new guidance on when and how federal agencies should collect security guarantees from software vendors. Building on the cybersecurity executive order that President Joe Biden signed in May 2021, the OMB last year published a memorandum (M-22-18) requiring federal agencies to obtain from software vendors guarantees that the software they provide is secure. Per M-22-18, federal agencies are required to obtain attestation for all software…

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In Other News: AI Regulation, Layoffs, US Aerospace Attacks, Post-Quantum Encryption

SecurityWeek is publishing a weekly cybersecurity roundup that provides a concise compilation of noteworthy stories that might have slipped under the radar. We provide a valuable summary of stories that may not warrant an entire article, but are nonetheless crucial for a comprehensive understanding of the cybersecurity landscape. Each week, we will curate and present a collection of noteworthy developments, ranging from the latest vulnerability discoveries and emerging attack techniques to significant policy changes and…

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