Threat Source newsletter (March 12, 2020)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. Obviously, COVID-19 is dominating headlines everywhere, and for good reason. We hope everyone out there is staying safe and healthy and...

Microsoft Patch Tuesday — March 2020: Vulnerability disclosures and Snort coverage

By Jon Munshaw and Vitor Ventura. Update March 12, 2020: Microsoft released an out-of-band patch for CVE-2020-0796, a code execution vulnerability SMB client and server for Windows. An unauthenticated attacker could exploit this vulnerability to execute remote code. Snort rules 53425 - 53428...

Microsoft Windows SMBv3 Remote Code Execution Vulnerability (CVE-2020-0796)

This month's Patch Tuesday, Microsoft disclosed a remote code execution vulnerability in SMB 3.1.1 v3 protocol. Even though initial release of the Patch Tuesday did not mention this vulnerability, details of the issue CVE-2020-0796 were published accidentally on another security vendor’s blog...

Microsoft Issues March 2020 Updates to Patch 115 Security Flaws

Microsoft today released security updates to fix a total of 115 new security vulnerabilities in various versions of its Windows operating system and related software—making March 2020 edition the biggest ever Patch Tuesday in the company's history. Of the 115 bugs spanning its various products —...

Microsoft Patches 26 Critical Bugs in Big March Update

Microsoft tackled 115 bug fixes as part of its March Patch Tuesday update – 26 rated critical and 88 rated medium severity. The bugs patched span its product catalog, from Azure DevOps to Windows 10. This month’s haul is notable in its quantity and that there are only a few stand-out bugs causing...

March 2020 Patch Tuesday – 115 Vulns, 26 Critical, Microsoft Word and Workstation Patches

This month’s Microsoft Patch Tuesday addresses 115 vulnerabilities with 26 of them labeled as Critical. Of the 26 Critical vulns, 17 are for browser and scripting engines, 4 are for Media Foundation, 2 are for GDI+ and the remaining 3 are for LNK files, Microsoft Word and Dynamics Business...

Microsoft Exchange Server Flaw Exploited in APT Attacks

Multiple threat groups are actively exploiting a vulnerability in Microsoft Exchange servers, researchers warn. If left unpatched, the flaw allows authenticated attackers to execute code remotely with system privileges. The vulnerability in question CVE-2020-0688 exists in the control panel of...

Microsoft Exchange Server Flaw Exploited in APT Attacks

Multiple threat groups are actively exploiting a vulnerability in Microsoft Exchange servers, researchers warn. If left unpatched, the flaw allows authenticated attackers to execute code remotely with system privileges. The vulnerability in question CVE-2020-0688 exists in the control panel of...

News Wrap: Valentine's Day Scams and Emotet's Wi-Fi Hack

Threatpost editors Tara Seals and Lindsey O’Donnell-Welch break down the top stories for this week, ended Feb. 14, including: Recent phishing scams – including ones with a romance hook – continue to trick victims, showing that phishing tactics still work in stealing millions from individuals,...

This Week in Security News: February 2020 Patch Tuesday Update and Misconfigured AWS S3 Bucket Leaks 36,000 Inmate Records

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, learn about the more than 140 February Patch Tuesday updates from Microsoft and Adobe. Also, read about how an unsecured and unencrypted...

Detections Released for ESU Updates on EOL Windows 7, 2008 and 2008 R2

For the February 2020 Patch Tuesday, Microsoft released security updates for Windows 7, 2008 and 2008 R2 systems which are already end of life. Qualys released Patch Tuesday detections QIDs which check for these new ESU patches as well. Update: Qualys released IG QID 45424 to identify the presenc...

Microsoft Patch Tuesday February 2020

IMHO, these are the two most interesting vulnerabilities in a recent Microsoft Patch Tuesday February 2020: Mysterious Windows RCE CVE-2020-0662. "To exploit the vulnerability, an attacker who has a domain user account could create a specially crafted request, causing Windows to execute arbitrary...

Microsoft Addresses Active Attacks, Air-Gap Danger with 99 Patches

Microsoft has issued one of its largest Patch Tuesday updates for the shortest month of the year, addressing 99 security vulnerabilities across a range of products. Twelve of the bugs are listed as critical – and the rest are rated as being important. The update includes a patch for the zero-day...

February 2020 Patch Tuesday – 99 Vulns, 12 Critical, Patch for IE 0-Day, Exchange Vuln, Adobe Vulns

This month’s Microsoft Patch Tuesday addresses 99 vulnerabilities with 12 of them labeled as Critical. Of the 12 Critical vulns, 7 are for browser and scripting engines, 2 are for Remote Desktop Client, and the remaining 3 are for LNK files, Media Foundation, and Windows. The IE 0-day disclosed i...

Update Microsoft Windows Systems to Patch 99 New Security Flaws

A few hours after Adobe today released security updates for five of its widely-distributed software, Microsoft also issued its February 2020 Patch Tuesday edition with patches for a total of 99 new vulnerabilities. According to the advisories, 12 of the total issues patched by the tech giant this...

Update Microsoft Windows Systems to Patch 99 New Security Flaws

A few hours after Adobe today released security updates for five of its widely-distributed software, Microsoft also issued its February 2020 Patch Tuesday edition with patches for a total of 99 new vulnerabilities. According to the advisories, 12 of the total issues patched by the tech giant this...

Adobe Releases Patches for Dozens of Critical Flaws in 5 Software

Here comes the second 'Patch Tuesday' of this year. Adobe today released the latest security updates for five of its widely used software that patch a total of 42 newly discovered vulnerabilities, 35 of which are critical in severity. The first four of the total five affected software, all listed...

This Week in Security News: The First Patch Tuesday Update of 2020 and Pwn2Own Vancouver Announced

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. This week, learn about a major crypto-spoofing bug impacting Windows 10 that has been fixed as part of Microsoft’s January Patch Tuesday update. Also,...

Microsoft Patch Tuesday — Jan. 2020: Vulnerability disclosures and Snort coverage

By Jon Munshaw. Updated January 15th: Added an Advanced Custom Detection ACD signature for AMP that can be used to detect exploitation of CVE-2020-0601 by spoofing certificates masquerading as a Microsoft ECC Code Signing Certificate Authority. Microsoft released its monthly security update today...

Podcast: NSA Reports Major Crypto-Spoofing Bug to Microsoft

A major Microsoft crypto-spoofing bug impacting Windows 10 made waves this Patch Tuesday, particularly as the flaw was found and reported by the U.S. National Security Agency NSA. Microsoft’s January Patch Tuesday security bulletin disclosed the “important”-severity vulnerability, which could all...