Two Critical Flaws in Zoom Could've Let Attackers Hack Systems via Chat

If you're using Zoom—especially during this challenging time to cope with your schooling, business, or social engagement—make sure you are running the latest version of the widely popular video conferencing software on your Windows, macOS, or Linux computers. No, it's not about the arrival of the...

Vulnerability Spotlight: Two vulnerabilities in Zoom could lead to code execution

A member of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered two vulnerabilities in the popular Zoom video chatting application that could allow a malicious user to execute arbitrary code on victims’ machines. Video conferencing software has...

Vulnerability Spotlight: VMware Workstation 15 denial-of-service vulnerability

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a denial-of-service vulnerability in VMware Workstation 15. VMware allows users to set up virtual machines and operate various operating systems outside of the ones designed for their...

Threat Roundup for May 22 to May 29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 22 and May 29. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Threat Source newsletter for May 28, 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. We need to start things off by wishing a Happy Birthday to Beers with Talos! The first episode was released on May 12, 2017. To celebrat...

Beers with Talos Ep. #82: Talos IR quarterly threat trends

Beers with Talos BWT Podcast episode No. 82 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded May 8, 2020 Brad Garnett from Cisco Talos Incident Response joins us today to talk about DFIR, the Talos Quarter...

Threat Source newsletter for May 21, 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. Beers with Talos chugs on during quarantine with the latest episode of “The In-Between.” Once again, the hosts talk about everything but...

Beers with Talos Ep. #81: "The In-Between," Vol. 3

Beers with Talos BWT Podcast episode No. 81 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded May 1, 2020 Sammi is back and the rest of the crew is here to hang out and chat. As is The In-Between Way — we...

Vulnerability Spotlight: Multiple vulnerabilities in Nitro Pro PDF reader

Aleksandar Nikolic and Cory Duplantis of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered two code execution vulnerabilities and an information disclosure flaw in Nitro Pro PDF reader. Nitro PDF allows users to save, read, sign and edit PDFs on...

Threat Roundup for May 8 to May 15

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 8 and May 15. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Vulnerability Spotlight: Code execution vulnerability in Microsoft Excel

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a code execution vulnerability in some versions of Microsoft Excel. An attacker could exploit this vulnerability by tricking the victim into opening a specially crafted Excel...

Vulnerability Spotlight: Remote code execution vulnerabilities in Adobe Acrobat Reader

Aleksandar Nikolic of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered two remote code execution vulnerabilities in Adobe Acrobat Reader. Acrobat supports a number of features, including the ability to process embedded JavaScript. These flaws...

Threat Roundup for May 1 to May 8

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 1 and May 8. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Threat Source newsletter for May 7, 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. With all of us working from home, Beers with Talos episodes are coming out faster than ever. This week, we have an actual episode with...

Vulnerability Spotlight: Multiple code execution vulnerabilities in Accusoft ImageGear

Emmanuel Tacheau of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered four code execution vulnerabilities in Accusoft ImageGear. The ImageGear library is a document-imaging developer toolkit to assist users with image conversion, creation, editing...

Windows 10 Insider Preview Fast win32kbase HMMarkObjectDestroy Arbitrary Code Execution Vulnerability Regression

Summary A use after free vulnerability exists in Windows 10, Insider Preview Fast 10.0.19582.1001, when a Win32k component fails to properly handle objects in memory. Successful exploitation of this vulnerability can lead to arbitrary code execution in the kernel context and elevation of...

Threat Roundup for April 24 to May 1

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 24 and May 1. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Beers with Talos Ep. #79: The In-Between vol. 2 (It's a better name than Quittin' Time)

Beers with Talos BWT Podcast episode No. 79 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded April 22, 2020 We are renaming these episodes. “Quittin’ time” was OK and all, but “The In-between” better...

Threat Roundup for April 17 to April 24

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between April 17 and April 24. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

Threat Source newsletter for April 23, 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. There’s a new Beers with Talos podcast out now. And guess what? They actually talk about security this time! The guys are looking for...