A new whitepaper from Microsoft highlights the risks of software supply chain attacks for organisations that pull package dependencies from public repositories like npm, RubyGems and PIP. A dependency confusion attack or supply chain substitution attack occurs when a software installer script is tricked into pulling a malicious code file from a public repository insteadRead more
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In the February 2021 Patch Tuesday security update Microsoft fixed 56 flaws, one zero-day vulnerability and two remote code execution vulnerabilities in the Windows Fax Service. That’s right, someone can send you a fax and take over your Windows system. While you might be tempted to think: ‘who sends faxes these days?’ that is theRead more
Microsoft continues to roll out changes to mitigate the Zerologon vulnerability and a change due in the February Patch Tuesday could break non-Windows device’s ability to connect to the domain. The Zerologon vulnerability is a flaw in the Microsoft NetLogon protocol. Tracked as CVE-2020-1472 the vulnerability allows an unauthenticated user to change passwords on theRead more
Microsoft starts the year with their first patch Tuesday bundle of security fixes targeting 10 Critical vulnerabilities include a zero-day being exploited in Windows Defender. The Windows Defender vulnerability (CVE-2021-1647) is reported by Microsoft as having been detected under active exploitation in the wild – but precious little context information is provided under the firm’sRead more
SAD DNS is a protocol level vulnerability in the DNS system. Microsoft has published a new security advisory which offers a mitigation to protect your DNS systems from spoofing or poisoning. If an attacker is able to successfully exploit the SAD DNS vulnerability (CVE-2020-25705), it will be possible to spoof a DNS packet which isRead more
The November security patch bundle from Microsoft fixes 112 security vulnerabilities in their products, including 12 Remote Code Execution vulnerabilities. Noteworthy vulnerabilities fixed this month include: Windows Kernel Local Elevation of Privilege: CVE-2020-17087 Observed under active attack in the wild by Google, CVE-2020-17087 is an elevation of privilege vulnerability that was being used inRead more
Google’s Project Zero has disclosed the details of a Windows 0-day vulnerability under active attack which affects all versions from Windows 7 through to Windows 10. No patch is yet available from Microsoft but one is expected in the November 2020 patch Tuesday updates. Last week we published details of a Chrome Browser 0-day vulnerabilityRead more
Microsoft has patched a Remote Code Execution vulnerability in Visual Studio which could be exploited by creating a code repository – such as for a popular open source tool – and convincing a developer to clone and open it. The vulnerability (CVE-2020-17023) exists in the handling of the ‘package.json’ file and can be exploited toRead more
October’s security patch bundle from Microsoft resolves 87 vulnerabilities, 12 rated as critical. One of these is a flaw in the Windows TCP/IP stack which can result in a server crash or remote code execution simply by sending a specially crafted ICMPv6 request. While it is technically challenging to achieve a remote code execution, theRead more
Whenever a new Windows device is booted from an image, there is a period of time when the machine is live and on the network, but it is missing operating system security patches and Microsoft Defender updates. This new-born system is at its most vulnerable until the missing patches and updates have been applied. IfRead more
