Cisco Talos Blog

July 1, 2020 14:00

Vulnerability Spotlight: Remote code execution vulnerabilities in LEADTOOLS 20

Cisco Talos recently discovered a remote code execution vulnerability in the LEADTOOLS line of imaging toolkits. LEADTOOLS is a collection of toolkits designed to perform a variety of functions aimed at integrating documents, multimedia and imaging technologies into applications.

June 25, 2020 14:00

Threat Source newsletter for June 25, 2020

Good afternoon, Talos readers. We recently decided to replace our use of the terms "blacklist" and "whitelist" with "block list" and "allow list.” Even though these terms are commonly in use in the security industry, we will not go along with c

June 24, 2020 15:52

Vulnerability Spotlight: Denial-of-service vulnerability in NVIDIA driver

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Executive summary The NVWGF2UMX_CFG.DLL driver contains a denial-of-service vulnerability that an attacker could use to disrupt processes over a virtual machine. An adversary could exploit this bug

June 23, 2020 08:55

Cisco Talos replacing all mentions of 'blacklist,' 'whitelist'

There are many ways to respond to injustice, both large and small, but each response is important. While we acknowledge it is a small change, Cisco Talos is moving to replace our use of the terms "blacklist" and "whitelist" with "block list" and &quo

June 18, 2020 14:00

Threat Source newsletter for June 18, 2020

Good afternoon, Talos readers. Now that Cisco Live is over, you can access both of Talos’ talks on-demand here if you registered for the online event. The latest Beers with Talos episode covers how to push your career in cyber security forward when you feel like you’re stuck i

June 15, 2020 10:55

Quarterly report: Incident Response trends in Summer 2020

By David Liebenberg and Caitlin Huey. For the fourth quarter in a row, Ryuk dominated the threat landscape in incident response. As we mentioned in last quarter’s report, Ryuk has shifted from relying on commodity trojans to using living-off-the-land tools. This has led to a dec

June 11, 2020 14:00

Threat Source newsletter for June 11, 2020

Good afternoon, Talos readers. We are back this week with new content, mainly around Microsoft Patch Tuesday. We have our complete breakdown of all the vulns here, as well as in-depth information on two remote code execution vulnerabilities one of our researchers discovered in E

June 10, 2020 16:21

Vulnerability Spotlight: Two code execution vulnerabilities in Microsoft Excel

Marcin “Icewall” Noga of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos researchers recently discovered two code execution vulnerabilities in Microsoft Excel. Microsoft released updates for these two bugs as part of their Patch Tuesday security up

June 10, 2020 10:00

Vulnerability Spotlight: Remote code execution vulnerability in Firefox’s SharedWorkerService function

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. The Mozilla Firefox web browser contains a vulnerability in its SharedWorkerService function that could allow an attacker to gain the ability to remotely execute code on a target’s machine.