Confluence Server Webwork OGNL Injection (CVE-2021-26084): How Akamai Helps You Protect Against Zero-Day Attacks

Recently Atlassian has disclosed a critical RCE Remote Code Execution vulnerability in its Confluence server and Data Center products CVE-2021-26084, which might allow unauthenticated users to execute arbitrary code on vulnerable servers...

Microsoft Releases Patch for Actively Exploited Windows Zero-Day Vulnerability

A day after Apple and Google rolled out urgent security updates, Microsoft has pushed software fixes as part of its monthly Patch Tuesday release cycle to plug 66 security holes affecting Windows and other components such as Azure, Office, BitLocker, and Visual Studio, including an actively...

Patch Tuesday - September 2021

Microsoft has fixed a total of 60 vulnerabilities this month, including two publicly disclosed 0-days. Fortunately there are only a few issues rated critical this month with the vast majority of the remainder being rated important. Here’s three big things you can go patch right now. MSHTML Remote...

Microsoft Patches Actively Exploited Windows Zero-Day

In September’s Patch Tuesday crop of security fixes, Microsoft released patches for 66 CVEs, three of which are rated critical, and one of which – the Windows MSHTML zero-day – has been under active attack for nearly two weeks. One other bug is listed as publicly known but isn’t yet being...

It’s a Good Day to Update All Your Devices. Trust Us

iOS, Windows, and Chrome all have zero-day vulnerabilities that hackers are going after. Now that the fixes are here, you need to install them ASAP...

Pair of Google Chrome Zero-Day Bugs Actively Exploited

Google has addressed two zero-day security bugs that are being actively exploited in the wild. As part of the internet giant’s latest stable channel release version 93.0.4577.82 for Windows, Mac and Linux, it fixed 11 total vulnerabilities, all of them rated high-severity. The two zero days are...

Apple releases emergency update: Patch, but don’t panic

Spyware developed by the company NSO Group is back in the news today after Apple released an emergency fix for iPhones, iPads, Macs, and Apple Watches. The update fixes a vulnerability silently exploited by software called Pegasus, which is often used in high-level surveillance campaigns by...

Apple Issues Urgent Updates to Fix New Zero-Day Linked to Pegasus Spyware

Apple has released iOS 14.8, iPadOS 14.8, watchOS 7.6.2, macOS Big Sur 11.6, and Safari 14.1.2 to fix two actively exploited vulnerabilities, one of which defeated extra security protections built into the operating system. The list of two flaws is as follows - CVE-2021-30858 WebKit - A use after...

Update Google Chrome to Patch 2 New Zero-Day Flaws Under Attack

Google on Monday released security updates for Chrome web browser to address a total of 11 security issues, two of which it says are actively exploited zero-days in the wild. Tracked as CVE-2021-30632 and CVE-2021-30633, the vulnerabilities concern an out of bounds write in V8 JavaScript engine a...

Apple Issues Emergency Fix for NSO Zero-Click Zero Day

Apple users should immediately update all their devices – iPhones, iPads, Macs and Apple Watches – to install an emergency patch for a zero-click zero-day exploited by NSO Group to install spyware. The security updates, pushed out by Apple on Monday, include iOS 14.8 for iPhones and iPads, as wel...

WooCommerce Multi Currency Bug Allows Shoppers to Change eCommerce Pricing

A security vulnerability in the WooCommerce Multi Currency plugin could allow any customer to change the pricing for products in online stores. WooCommerce is a popular eCommerce plugin for WordPress-powered websites; the Multi Currency plugin from Envato meanwhile allows e-tailers using...

A week in security (Sept 6 – Sept 12)

Last week on Malwarebytes Labs Apple delays plans to search devices for child abuse imagery. ProtonMail hands user’s IP address and device info to police, showing the limits of private email. Patch now! Netgear fixes serious smart switch vulnerabilities. Tor vs VPN—What is the difference? Windows...

Zoho ManageEngine Password Manager Zero-Day Gets Fix

A critical security vulnerability in the Zoho ManageEngine ADSelfService Plus platform could allow remote attackers to bypass authentication and have free rein across users’ Active Directory AD and cloud accounts. The issue CVE-2021-40539 has been actively exploited in the wild as a zero-day,...

Talos release protection against zero-day vulnerability in Microsoft MSHTML

Cisco Talos released new SNORT® rules Thursday to protect against the exploitation of a zero-day vulnerability in Microsoft MSHTML that the company warns is being actively exploited in the wild. Users are encouraged to deploy SIDs 58120 – 58129, Snort 3 SID 300049 and ClamAV... This is only the...

Threat Source newsletter (Sept. 9, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. The biggest security news this week is no doubt another Microsoft zero-day. On the heels of PrintNightmare and multiple Exchange Server vulnerabilities comes a code execution vulnerability in MSHTML, the rendering engine... This is...

Russian Ransomware Group REvil Back Online After 2-Month Hiatus

The operators behind the REvil ransomware-as-a-service RaaS staged a surprise return after a two-month hiatus following the widely publicized attack on technology services provider Kaseya on July 4. Two of the dark web portals, including the gang's Happy Blog data leak site and its...

Microsoft, CISA Urge Mitigations for Zero-Day RCE Flaw in Windows

Both Microsoft and federal cybersecurity officials are urging organizations to use mitigations to combat a zero-day remote control execution RCE vulnerability in Windows that allows attackers to craft malicious Microsoft Office documents. Microsoft has not revealed much about the MSHTML bug,...

New 0-Day Attack Targeting Windows Users With Microsoft Office Documents

Microsoft on Tuesday warned of an actively exploited zero-day flaw impacting Internet Explorer that's being used to hijack vulnerable Windows systems by leveraging weaponized Office documents. Tracked as CVE-2021-40444 CVSS score: 8.8, the remote code execution flaw is rooted in MSHTML aka Triden...

Cisco Issues Patch for Critical Enterprise NFVIS Flaw — PoC Exploit Available

Cisco has patched a critical security vulnerability impacting its Enterprise Network Function Virtualization Infrastructure Software NFVIS that could be exploited by an attacker to take control of an affected system. Tracked as CVE-2021-34746, the weakness has been rated 9.8 out of a maximum of 1...

Cisco Patches Critical Bug With Public Exploit

Cisco has patched a near-max critical bug in its NFVIS software for which there’s a publicly available proof-of-concept PoC exploit. On Wednesday, Cisco released patches for the flaw – an authentication bypass vulnerability in Enterprise NFV Infrastructure Software NFVIS that’s tracked as...