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Compliance, IT Infrastructure, Network Security, News

Apply These Microsoft, Apple, Google and Adobe Patches Now

Big tech firms patch more than 130 vulnerabilities that could allow hackers to spy and take control of computer systems.

September 15, 2021 Zachary Comeau Leave a Comment

Microsoft Apple Google Adobe Security Patches

Microsoft, Google, Apple and Adobe issued dozens of security patches this week, including some that fixed critical zero-day vulnerabilities.

Chief among them are fixes to the Microsoft MSHTML remote code execution vulnerability that is being actively exploited, a patch that fixes an iOS bug in CoreGraphics that could allow remote code execution that is under exploitation and nine patches for Chrome to address nine vulnerabilities, two of which are under active attack.

In total, those four companies issued patches for 136 vulnerabilities this week, six of which are being actively exploited,  according to Zero Day Initiative (ZDI), a software vulnerability initiative maintain by Trend Micro.

Microsoft patches for MSHTML bug, other RCE flaws

Microsoft’s patches fix 66 vulnerabilities, including in Windows and Windows components, Microsoft Edge, Azure, Office and Office Components, SharePoint Server, Microsoft Windows DNS and the Windows Subsystem for Linux.

According to ZDI, these patches are in addition to 20 vulnerabilities patched by Microsoft Edge earlier this month, bringing the September total to 86 vulnerabilities. Of the 66 patched this week, three are rated critical, 62 important and one moderate.

Of particular importance is a fix for the Microsoft MSHTML remote code execution flaw, which is tracked as CVE-2021-40444. A successful exploit of this bug allows an attacker to execute code on an affected system by embedding a specially crafted ActiveX control in an Office document and convincing a user to open it. Exploitation of this vulnerability has been observed in the wild.

Organizations can disable ActiveX as a workaround, but they should apply this patch immediately.

Another Microsoft patch fixes a Windows WLAN AutoConfig servicing remote code execution flaw, which could allow network adjacent hackers to run code on affected systems at SYSTEM level. IT professionals are always wary of logging onto public networks, and this is a perfect example of why.

Microsoft also patched an Open Management Infrastructure (OMI) remote code execution bug that is rated as the most severe because it requires no user interaction of privileges. An attacker can run code on an affected system jst by sending a specially crafted message.

The company also patched three elevation of privilege vulnerabilities in Windows Print Spooler, hopefully ending the PrintNightmare series of bugs.

Apple patches NSO Group iMessage flaw

This vulnerability, CVE-2021-30860, impacts all Apple devices, including iPhones, iPads, watches, and MacOS systems. According to Citizen Lab, the zero-click exploit was discovered on the phone of a Saudi activist infected with NSO Group’s Pegasus spyware. This exploit has been in use since at least this past February, the organization said.

Another flaw in Use-After-Free bug in Webkit has also been detected in the wild, according to ZDI.

Fixes for exploited Google Chrome flaws

Google has also released a new version of Chrome that fixes nine vulnerabilities, including two that are under active attack. One is an out-of-bounds write, while another is a UAF flaw. Both could lead to code execution at the level of the logged-on user, according to ZDI.

Adobe issues 15 patches for 59 vulnerabilities

Adobe also released a series of patches to address nearly 60 flaws in Acrobat Reader, XMP Toolkit SDK, Photoshop, Experience Manager, Genuine Service, Digital Editions, Premiere Elements, Photoshop Elements, Creative Cloud Desktop, ColdFusion, Framemaker, InDesign, SVG-Native-Viewer, InCopy, and Premiere Pro.

The vulnerabilities include possible remote code execution and memory corruption exploits.

Tagged With: Patch management, Patches, Security Update

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