Cisco Talos Blog

December 9, 2020 09:16

Vulnerability Spotlight: Remote code execution vulnerabilities in Schneider Electric EcoStruxure

Alexander Perez-Palma and Jared Rittle of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered two code execution vulnerabilities in Schneider Electric EcoStruxure. An attacker could exploit these vulnerabilities by sending the victim a

December 8, 2020 14:09

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 special

December 8, 2020 13:49

Microsoft Patch Tuesday (Dec. 2020) — Snort rules and notable vulnerabilities

By Jon Munshaw, with contributions from Bill Largent. Microsoft released its monthly security update Tuesday, disclosing 58 vulnerabilities across its suite of products, the lowest number of vulnerabilities in any Patch Tuesday since January. There are only 10 critical vulnerab

December 3, 2020 14:00

Threat Source newsletter (Dec. 3, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. While ransomware has made all the headlines this year, that doesn’t mean cryptocurrency miners are going anywhere. We recently discovered a new actor we’re calling “Xanthe” that’s mining Monero on targets’ machi

December 2, 2020 16:21

Vulnerability Spotlight: DoS, code execution vulnerabilities in EIP Stack Group OpENer

Martin Zeiser and Jared Rittle of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Executive summary Cisco Talos recently discovered two vulnerabilities in the Ethernet/IP function of EIP Stack Group OpENer. OpENer is an Ethernet/IP stack for I/O adapter devi

November 30, 2020 10:00

Vulnerability Spotlight: Multiple vulnerabilities in WebKit

Marcin “Icewall” Noga of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Executive summary The WebKit browser engine contains multiple vulnerabilities in various functions of the software. A malicious web page code could trigger multiple use-after-free error

November 19, 2020 13:51

Threat Source newsletter (Nov. 19, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In case you hadn’t already realized, Snort somehow became a meme this week, so that was fun. As 2020 (finally...or already...I can’t decide which) comes to an end, we’re going to start doing a look back at the

November 12, 2020 15:15

Vulnerability Spotlight: Multiple vulnerabilities in Pixar OpenUSD affects some versions of macOS

Aleksandar Nikolic of Cisco Talos discovered these vulnerabilities. Blog by Aleksandar Nikolic and Jon Munshaw. Pixar OpenUSD contains multiple vulnerabilities that attackers could exploit to carry out a variety of malicious actions. OpenUSD stands for “Open Universal Scene Des

November 12, 2020 14:00

Threat Source newsletter (Nov. 12, 2020)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We’re back after a few-week hiatus! And to celebrate, we just dropped some new research on the CRAT trojan that’s bringing some ransomware friends along with it. This blog post has all the details of this threat