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The Cybersecurity and Infrastructure Security Agency (CISA) and United States Coast Guard Cyber Command (CGCYBER) released a joint security advisory last week to warn of the active exploitation of CVE-2021-44228. This vulnerability is commonly known as Log4j, or Log4Shell because it gives attackers a shell that allows them to remotely access internet facing Log4j devices. Read more

A Security Advisory was published by QNAP on Wednesday to advise their customers of the status of Remote Code Execution vulnerability that affects many of their products. The vulnerability is in the versions of PHP which ship as part of the QNAP operating system.   The vulnerability affects devices running:  QTS 5.0.x and later  QTS 4.5.xRead more

The mistakes we make and how to fix them – a new report co-authored by the NCSC reveals the 10 most common security weaknesses exploited by hackers. A joint security alert from the National Cyber Security Centre UK (NCSC-UK) was released earlier this month, co-authored by cybersecurity bodies from the USA, Canada, New Zealand, andRead more

Apple have released eight security updates this week for a range of devices. Four of these updates include fixes for a zero-day vulnerability in AppleAVD. This vulnerability is said to have been actively exploited before this update was released, and affected Apple Watch, Apple TV, Macs, iPhones and iPads.   Identified as CVE-2022-22675 by an anonymousRead more

Critical remote code execution and elevation of privilege vulnerabilities were among the 75 total vulnerabilities that have been fixed in Microsoft’s May Patch Tuesday this week. These essential patches include fixes for currently exploited zero-day vulnerabilities, one of which is a novel NTLM relay attack, identified as CVE-2022-26925, which affects all versions of Windows. ThisRead more

Network security vendor F5 has revealed a critical CVSS 9.8 vulnerability that affects all version of their BIG-IP range from version 11.x through to 16.x The vulnerability which was discovered by F5’s own testing, could allow an unauthenticated attacker with network access to the BIG-IP system through the management port (or self-ip address) to executeRead more

New research from Mandiant shows the explosive growth in zero-day exploits, with more zero-days exploited in attacks in 2021 than in the three previous years combined. The generally accepted definition of a zero-day is: a security vulnerability that is exploited in the wild before a patch was made publicly available.  (Microsoft has a slightly differentRead more

The NCSC has issued updated guidance on the evolving threat from Russian state actors and cyber criminals due to the ongoing war in Ukraine. The joint Cybersecurity Advisory (CSA) from the cybersecurity authorities in the UK, USA, Australia, Canada and New Zealand warns that: “Evolving intelligence indicates that the Russian government is exploring options forRead more

‘Use After Free’ is the name given to security vulnerabilities that occur because of a problem with the way an application is managing its memory. When one part of a program attempts to use some memory that another part of the program has released because it is no longer needed the application may crash, produceRead more

The US Cybersecurity and Infrastructure Security Agency (CISA) maintains a list of known vulnerabilities that are the most commonly exploited by threat actors.  At the start of March the list was extended by another 95 bugs including several critical Cisco vulnerabilities. The known exploited vulnerabilities catlog is part of the CISA’s Shields-Up initiative that providesRead more