Cisco Talos Blog

November 24, 2021 09:01

Talos Takes Ep. #78: Attackers would love to buy you a non-existent PS5 this holiday season

By Jon Munshaw. The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We know this episode comes around every year, but people keep falling for scams, so we have to remind p

November 22, 2021 14:00

A review of Azure Sphere vulnerabilities: Unsigned code execs, kernel bugs, escalation chains and firmware downgrades

Summary of all the vulnerabilities reported by Cisco Talos in Microsoft Azure Sphere By Claudio Bozzato and Lilith [>_>]. In May 2020, Microsoft kicked off the Azure Sphere Security Research Challenge, a three-month initiative aimed at finding bugs in Azure Sphere. In

November 22, 2021 11:40

Vulnerability Spotlight: Multiple vulnerabilities in Advantech R-SeeNet

Yuri Kramarz discovered these vulnerabilities. Cisco Talos recently discovered multiple vulnerabilities in the Advantech R-SeeNet monitoring software. R-SeeNet is the software system used for monitoring Advantech routers. It continuously collects information from individual rou

November 22, 2021 07:30

Vulnerability Spotlight: PHP deserialize vulnerability in CloudLinux Imunity360 could lead to arbitrary code execution

Marcin “Icewall” Noga of Cisco Talos. Cisco Talos recently discovered a vulnerability in the Ai-Bolit functionality of CloudLinux Inc Imunify360 that could lead to arbitrary code execution. Imunify360 is a security platform for web-hosting servers that allows users to configure

November 19, 2021 11:18

Talos Takes Ep. #77: How to connect to (and safely use) public WiFi

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. Whenever we walk into a bar or restaurant, it's almost a given that we're going to ask the bartender or server:

November 18, 2021 14:00

Threat Source Newsletter (Nov. 18, 2021)

Good afternoon, Talos readers. This is our last newsletter before Thanksgiving in the U.S. next week, so now's as good of a time as any to remind you: If a deal seems too good to be true, it probably is. To prep online shoppers for the upcoming Cyber Monday and Black Friday

November 17, 2021 15:03

Vulnerability Spotlight: Multiple code execution vulnerabilities in LibreCAD

Lilith >_> of Cisco Talos discovered this vulnerability. Cisco Talos recently discovered three vulnerabilities in LibreCAD’s libdfxfw open-source library. This library reads and writes .dxf and .dwg files — the primary file format for vector graphics in CAD software. Libr

November 17, 2021 14:59

Vulnerability Spotlight: Use-after-free vulnerability in Google Chrome could lead to code execution

Marcin Towalski of Cisco Talos discovered this vulnerability. Cisco Talos recently discovered an exploitable use-after-free vulnerability in Google Chrome. Google Chrome is a cross-platform web browser — and Chromium is the open-source version of the browser that other software

November 17, 2021 09:26

Talos’ tips for staying safe while shopping online this holiday season

By Jon Munshaw. Attackers will resort to all tactics to trick users into downloading malware, handing over credit card data or completing compromising their machine. No topic is off-limits, and threat actors have resorted to using everything from PlayStation 5 sales, to COVID-1