A week in security (Dec 13 – 19)

Last week on Malwarebytes Labs: Spear phish, whale phish, regular phish: What’s the difference? Kronos crippled by ransomware, service may be out for weeks 5 security lessons from 18 months of working from home What SMBs can do to protect against Log4Shell attacks After Log4j, December’s Patch...

Microsoft Patch Tuesday December 2021

Hello everyone! Its even strange to talk about other vulnerabilities, while everyone is so focused on vulnerabilities in log4j. But life doesnt stop. Other vulnerabilities appear every day. And of course, there are many critical ones among them that require immediate patching. This episode will b...

SAP Kicks Log4Shell Vulnerability Out of 20 Apps

SAP has identified 32 apps that are affected by CVE-2021-44228 – the critical vulnerability in the Apache Log4j Java-based logging library that’s been under active attack since last week. As of yesterday, Patch Tuesday, the German software maker reported that it’s already patched 20 of those apps...

Microsoft Issues Windows Update to Patch 0-Day Used to Spread Emotet Malware

Microsoft has rolled out Patch Tuesday updates to address multiple security vulnerabilities in Windows and other software, including one actively exploited flaw that's being abused to deliver Emotet, TrickBot, or Bazaloader malware payloads. The latest monthly release for December fixes a total o...

Actively Exploited Microsoft Zero-Day Allows App Spoofing, Malware Delivery

Microsoft has addressed a zero-day vulnerability that was exploited in the wild to deliver Emotet, Trickbot and more in the form of fake applications. The patch came as part of the computing giant’s December Patch Tuesday update, which included a total of 67 fixes for security vulnerabilities. Th...

Microsoft & Adobe Patch Tuesday (December 2021) – Microsoft 83 Vulnerabilities with 7 Critical, 1 Actively Exploited. Adobe 60 Vulnerabilities, 28 critical.

Microsoft Patch Tuesday – December 2021 Microsoft patched 83 vulnerabilities in their December 2021 Patch Tuesday release, of which seven 7 are rated as critical severity. This months release includes one 1 Zero Day known to be actively exploited. Products impacted by Microsofts December security...

Vulristics Command Line Interface, improved Product & Vuln. Type Detections and Microsoft Patch Tuesday November 2021

Hello everyone! In this episode I want to highlight the latest changes in my Vulristics project. For those who dont know, this is a utility for prioritizing CVE vulnerabilities based on data from various sources.. Currently Microsoft, NVD, Vulners, AttackerKB. Command Line Interface I started...

Ongoing Exploitation of Windows Installer CVE-2021-41379

CVE | Vendor Advisory | AttackerKB | IVM Content | Patching Urgency | Last Update ---|---|---|---|---|--- CVE-2021-41379 | Microsoft Advisory | AttackerKB | Scheduled when patched | ASAP when released | December 3, 2021 3:00 PM ET See the Updates section at the end of this post for new informatio...

Windows Installer vulnerability becomes actively exploited zero-day

Sometimes the ways in which malicious code gets in the hands of cybercriminals is frustrating for those in the industry, and incomprehensible to those on the outside. A quick summary of the events in the history of this exploit: A researcher found a flaw in Windows Installer that would allow an...

Microsoft & Adobe Patch Tuesday (November 2021) – Microsoft 55 Vulnerabilities with 6 Critical, 6 Zero-Days. Adobe 4 Vulnerabilities

Microsoft Patch Tuesday – November 2021 Microsoft patched 55 vulnerabilities in their November 2021 Patch Tuesday release, of which six are rated as critical severity and six were previously reported as zero-days. Critical Microsoft Vulnerabilities Patched CVE-2021-42298 - Microsoft Defender Remo...

[updated] Patch now! Microsoft plugs actively exploited zero-days and other updates

On what might seem a relatively calm Patch Tuesday with 55 vulnerabilities being patched, the fact that six of them were rated “Critical” and two of them actively exploited spoils the Zen factor somewhat. Publicly disclosed computer security flaws are listed in the Common Vulnerabilities and...

Microsoft Issues Patches for Actively Exploited Excel, Exchange Server 0-Day Bugs

Microsoft has released security updates as part of its monthly Patch Tuesday release cycle to address 55 vulnerabilities across Windows, Azure, Visual Studio, Windows Hyper-V, and Office, including fixes for two actively exploited zero-day flaws in Excel and Exchange Server that could be abused t...

November Continues Streak of Quiet Patch Tuesdays

November continues a recent pattern of relatively peaceful Patch Tuesday cycles. There were only six vulnerabilities rated as Critical this month, with 49 more rated as Important for a total of 55 for the month of November...

Microsoft Patch Tuesday for Nov. 2021 — Snort rules and prominent vulnerabilities

By Jon Munshaw and Tiago Pereira. Microsoft released its monthly security update Tuesday, disclosing 56 vulnerabilities in the company’s various software, hardware and firmware offerings, including one that’s actively being exploited in the wild. November’s security update... This is only the...

Security News: Microsoft Patch Tuesday October 2021, Autodiscover, MysterySnail, Exchange, DNS, Apache, HAProxy, VMware vCenter, Moodle

Hello everyone! This episode will be about relatively recent critical vulnerabilities. Lets start with Microsoft Patch Tuesday for October 2021. Specifically, with the vulnerability that I expected there, but it didnt get there. Autodiscover leak discovered by Guardicore Labs "Autodiscover, a...

Threat Source newsletter (Oct. 14, 2021)

Newsletter compiled by Jon Munshaw.Good afternoon, Talos readers. It's still Cybersecurity Awareness Month, and what better way to celebrate by patching and then patching some more? This week was Microsoft Patch Tuesday, which only included two critical vulnerabilities, but still... This is only...

Microsoft & Adobe Patch Tuesday (October 2021) – Microsoft 74 Vulnerabilities with 3 Critical, 4 Zero-Days. Adobe 10 Vulnerabilities

Microsoft Patch Tuesday – October 2021 Microsoft patched 74 vulnerabilities in their October 2021 Patch Tuesday release, of which three are rated as critical severity and four were previously reported as zero-days. Critical Microsoft Vulnerabilities Patched CVE-2021-40449 - Win32k Elevation of...

October Patch Tuesday: 3 Critical Bulletins Among 71

The October Patch Tuesday maintains the relatively peaceful streak from previous months with only 3 bulletins rated as Critical among 71 new vulnerabilities...

October Patch Tuesday: 3 Critical Bulletins Among 71

The October Patch Tuesday maintains the relatively peaceful streak from previous months with only 3 bulletins rated as Critical among 71 new vulnerabilities...

Microsoft Oct. Patch Tuesday Squashes 4 Zero-Day Bugs

Today is Microsoft’s October 2021 Patch Tuesday, and it delivers fixes for four zero-day vulnerabilities, one of which is being exploited in a far-reaching espionage campaign that delivers the new MysterySnail RAT malware to Windows servers. Microsoft reported a total of 74 vulnerabilities, three...