Rockwell Automation 1794-AENT Flex I/O Series B

1. EXECUTIVE SUMMARY CVSS v3 7.5 ATTENTION: Exploitable remotely/low skill level to exploit Vendor: Rockwell Automation Equipment: 1794-AENT Flex I/O Series B Vulnerabilities: Classic Buffer Overflow 2. RISK EVALUATION Successful exploitation of these vulnerabilities could crash the device being...

Threat Roundup for October 9 to October 16

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 9 and Oct. 16. 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,...

Lemon Duck Cryptocurrency-Mining Botnet Activity Spikes

Researchers are warning of a recent dramatic uptick in the activity of the Lemon Duck cryptocurrency-mining botnet, which targets victims’ computer resources to mine the Monero virtual currency. Click to Register! Researchers warn that Lemon Duck is “one of the more complex” mining botnets, with...

Vulnerability Spotlight: Information leak vulnerability in Google Chrome WebGL

Marcin Towalski of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. The Google Chrome web browser contains a vulnerability that could be exploited by an adversary to carry out a range of malicious actions. Chrome is one of the most popular web browsers currently available to users...

Lemon Duck brings cryptocurrency miners back into the spotlight

By Vanja Svajcer, with contributions from Caitlin Huey. We are used to ransomware attacks and big-game hunting making headlines, but there are still methods adversaries use to monetize their efforts in less intrusive ways.Cisco Talos recently recorded increased activity of the Lemon Duck...

Threat Roundup for October 2 to October 9

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 2 and Oct. 9. 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: DoS vulnerability in ATIKMDAG.SYS AMD graphics driver

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw.Cisco Talos recently discovered a denial-of-service vulnerability in the ATIKMDAG.SYS driver for some AMD graphics cards. An attacker could send the victim a specially crafted D3DKMTCreateAllocation API request to cause...

PoetRAT: Malware targeting public and private sector in Azerbaijan evolves

By Warren Mercer, Paul Rascagneres and Vitor Ventura. The Azerbaijan public sector and other important organizations are still targeted by new versions of PoetRAT.This actor leverages malicious Microsoft Word documents alleged to be from the Azerbaijan government.The attacker has moved from Pytho...

90 days, 16 bugs, and an Azure Sphere Challenge

Cisco Talos reports 16 vulnerabilities in Microsoft Azure Sphere's sponsored research challenge. By Claudio Bozzato, Lilith --; and Dave McDaniel. On May 15, 2020, Microsoft kicked off the Azure Sphere Security Research Challenge, a three-month initiative aimed at finding bugs in Azure Sphere...

Threat Roundup for September 25 to October 2

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 25 and Oct. 2. 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: Remote code execution bugs in NVIDIA D3D10 driver

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered multiple remote code execution vulnerabilities in the NVIDIA D3D10 driver. This driver supports multiple GPUs that NVIDIA produces. An adversary could exploit these vulnerabilities by...

Zerologon Attacks Against Microsoft DCs Snowball in a Week

A spike in exploitation attempts against the Microsoft vulnerability CVE-2020-1472, known as the Zerologon bug, continues to plague businesses. That’s according to researchers from Cisco Talos, who warned that cybercriminals are redoubling their efforts to trigger the elevation-of-privilege bug i...

Microsoft Netlogon exploitation continues to rise

Cisco Talos is tracking a spike in exploitation attempts against the Microsoft vulnerability CVE-2020-1472, an elevation of privilege bug in Netlogon, outlined in the August Microsoft Patch Tuesday report. The vulnerability stems from a flaw in a cryptographic authentication scheme used by the...

Threat Roundup for September 18 to September 25

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 18 and Sept. 25. 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...

Aveva eDNA Enterprise Data Historian FavoritesService.asmx SQL injection Vulnerability

Talos Vulnerability Report TALOS-2020-1097 Aveva eDNA Enterprise Data Historian FavoritesService.asmx SQL injection Vulnerability September 23, 2020 CVE Number CVE-2020-6153 Summary An exploitable SQL injection vulnerability exists in the FavoritesService.asmx Web Service functionality of eDNA...

New Snort, ClamAV coverage strikes back against Cobalt Strike

By Nick Mavis. Editing by Joe Marshall and Jon Munshaw. Cisco Talos is releasing a new research paper called “The Art and Science of Detecting Cobalt Strike.” We recently released a more granular set of updated SNORTⓇ and ClamAVⓇ detection signatures to detect attempted obfuscation and exfiltrati...

Beers with Talos ep. #92: Trending in Your Network — Disinformation

Beers with Talos BWT Podcast episode No. 92 is now available. Download this episode and subscribe to Beers with Talos:Apple Podcasts Google PodcastsSpotify StitcherIf iTunes and Google Play aren't your thing, click here. By Mitch Neff. Recorded Aug. 26, 2020 Disinformation is front and center rig...

Threat Roundup for September 11 to September 18

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 11 and Sept. 18. 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...

Vulnerability Spotlight: Multiple vulnerabilities in Nitro Pro PDF reader

Cisco Talos researchers discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered multiple code execution vulnerabilities in the Nitro Pro PDF reader. Nitro PDF allows users to save, read, sign and edit PDFs on their computers. The software contains vulnerabilities th...

Threat Roundup for September 4 to September 11

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 4 and Sept. 11. 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 characteristic...