What’s New Wednesday: A Summary of June 2024’s Patch Tuesday June 12, 2024 – Posted in: IT Support, News, What's New Wednesdays – Tags: cybersecurity, it support, Patch Tuesday, patching, WhatsNewWednesday

The Microsoft monthly security update release is published on the second Tuesday of each month. It’s a good idea to restart your PC on the following Wednesday – today. We may well restart some of your servers overnight this week if a patch requires it.

NEW THIS WEDNESDAY

Yesterday’s Patch Tuesday included security updates for 51 flaws, 18 remote code execution vulnerabilities and 1 publicaly disclosed zero-day vulnerability. Overall Microsoft patched:

• 25 Elevation of Privilege Vulnerabilities
• 18 Remote Code Execution Vulnerabilities
• 3 Information Disclosure Vulnerabilities
• 5 Denial of Service Vulnerabilities

There was one zero-day vulnerability patched:
CVE-2023-50868 – MITRE: CVE-2023-50868 NSEC3
an attacker could exploit standard DNSSEC protocols intended for DNS integrity by using excessive resources on a resolver, causing a denial of service for legitimate users.

Releases from other software providers include:

• ARM – an actively exploited bug in Mali GPU kernel drivers.
• Apple – 21 security flaws in the visionOS 1.2 release.
• Cisco – security updates for its Cisco Finesse and Webex
• Cox – an API auth bypass bug that impacted million of modems.
• F5 – security updates for two high-severity BIG-IP Next Central Manager API flaws.
• PHP – a critical remote code execution flaw that is now actively exploited in ransomware attacks.
• TikTok – an exploited zero-day, zero-click flaw in their direct messages feature.
• VMware – 3 zero-day bugs exploited at Pwn2Own 2024.
• Zyxel – an emergency remote code execution patch for end-of-life NAS devices.

FULL LIST OF MICROSOFT PATCHES

GLOSSARY

• Authentication – proving who you are so you can be given access to what you need/have rights to.
• MFA – multi-factor authentication, proving who you are in multiple ways, something you know (like a password or pin), something you are (a fingerprint or retina scan), something you have (like your phone – proved with a code).
• Vulnerability – a defect in software that could allow an attacker to gain control of a system or service.
• Patch – a change to a piece of software, released after sale, to fix a problem or add a feature.
• Zero Day – Microsoft classifies a vulnerability as a zero-day if it is publicly disclosed or actively exploited with no official fix available.
• Actively Exploited – an actively exploited vulnerability is one that is being used by malicious actors.
• DDOS / DOS – (Distributed) Denial of Service attack, a method of swamping a service or server with so many false queries at once that it is forced offline.
• Disclosed – a disclosed vulnerability is one that the software creators have published, meaning that it can be easily found out about by anyone who knows where to look.
• CVE ID – CVE, short for Common Vulnerabilities and Exposures, is a list of publicly disclosed computer security flaws, the ID is the number assigned to that vulnerability.
• Severity – a disclosed vulnerability is one that the software creators have published, meaning that it can be easily found out about by anyone who knows where to look.
• Security Feature Bypass Vulnerabilities – allow for intruders to bypass security features such as password protection or MFA.
• Remote Code Execution Vulnerabilities – allow people to remotely trigger potentially malicious code on your device.
• Information Disclosure Vulnerabilities – allow the wrong people access to your data.
• Denial of Service Vulnerabilities – allow a DOS/DDOS attack to succeed.
• Spoofing Vulnerabilities – allow someone to pretend to be you/your systems.

If you have any concerns about cybersecurity, or would like to discuss any other IT Support needs you might have please give us a call on 01245 265100 or email us at . To stay up to date with our regular What’s New Wednesday emails and receive industry news straight to your inbox, subscribe to our newsletters in the top right.