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The Microsoft Security Response Centre released a blog post this week about a Service Fabric (SF) Linux Cluster vulnerability. This bug has been identified on both Linux and Windows operating systems, however Microsoft claims only Linux is vulnerable to attack. This vulnerability was published as CVE-2022-30137 by Microsoft earlier this month.  Azure Service Fabric is a distributed systemsRead more

Last week saw the addition of 39 known exploited cybersecurity vulnerabilities to the CISA catalogue, bringing the total added in June so far to 40. The Cybersecurity and Infrastructure Security Agency (CISA), a branch of the US government, released an alert on Wednesday, to make people aware of the threats posed by these vulnerabilities, whichRead more

New malware known as SVCReady uses shellcode in the properties of Microsoft Office documents to infect its target. This is yet another new form of attack that affects Microsoft Office, disguising malicious code in a seemingly safe Office document format. The SVCReady family of malware has been reported by the HP threat research blog asRead more

A new vulnerability has been discovered that can allow a malicious document to run arbitrary code on a Windows computer.  Although the obvious attack vector is MS Office documents, Microsoft is describing this as a Windows Operating System vulnerability according to CVE-2022-30190. A Word Document was found to be able to abuse the Microsoft WindowsRead more

Microsoft has issued several updates to help Systems Admins protect their networks against Kerberos Relay attacks.  Microsoft have said no security patch will be provided to mitigate this attack vector, so config changes must be made to default Windows Domain Controller on premise installations.  Microsoft explains the vulnerability in a recent blog post: Detecting andRead 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

Researchers at Microsoft have documented a family of vulnerabilities that affect Linux systems, dubbed Nimbuspwn.  These vulnerabilities can be chained together in order to gain root privileges on Linux systems allowing attackers to install malware and access all data on the server. The vulnerabilities in the networkd-dispatcher are tracked as CVE-2022-29799 and CVE-2022-29800.   Networkd-dispatcher runs as root andRead more

Last week over 200 malicious packages were discovered in the npm registry targeting Azure developers with PII stealing malware. Reported by security firm JFrog, the malicious packages were uploaded to npm in a sort of typosquatting attack which targeted packages within the @azure scope. The attack method is simple: the attacker creates a malicious packageRead more

Microsoft has announced several steps they are taking to improve the default security of Office document and Windows systems by protecting them against malicious macros and LOL-bins attacks.   Microsoft Office to block macros for all Internet documents Microsoft is changing the default behaviour of Office applications that can contain VBA macros. Currently when aRead more

The second Tuesday of February brings the monthly security updates from Microsoft. Microsoft Security Updates – February 2022 February is a relatively modest month for Microsoft with just 51 security patches released. Even though none of this month’s vulnerabilities are rated as Critical, there is a trio of remote code execution vulnerabilities.  Historically February isRead more