New Cisco Talos web reputation verdicts

Cisco Talos has updated and expanded the Talos Threat Levels used to describe our web reputation verdicts. As you will see in the chart below, we are increasing the amount of reputation verdicts from three to five. We are retaining the Unknown category, just as before. Cisco Security products wil...

AMD Radeon Graphics Cards Open VMware Workstations to Attack

A remote code-execution bug exists in some configurations of the AMD Radeon graphics card that could allow an attacker to take control of a targeted system. The hack entails luring users of vulnerable systems to visit a specially crafted website that can deliver “a malformed pixel shader” to eith...

Vulnerability Spotlight: Multiple vulnerabilities in Aspose PDF API

Marcin Noga of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered multiple remote code execution vulnerabilities in the Aspose.PDF API. Aspose provides a series of APIs for manipulating or converting a large family of document formats. These vulnerabilities exist in API...

Threat Roundup for September 6 to September 13

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 6 and Sept. 13. 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...

Threat Source newsletter (Sept. 12, 2019)

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. You’ve heard it a million times: Always patch. But in case you needed another example that it’s important, Cisco Incident Response took ...

Microsoft Patch Tuesday — Sept. 2019: Vulnerability disclosures and Snort coverage

By Jon Munshaw. Microsoft released its monthly security update today, disclosing a variety of vulnerabilities in several of its products. The latest Patch Tuesday covers 85 vulnerabilities, 19 of which are rated “critical," 65 that are considered "important" and one "moderate." There is also a...

Vulnerability Spotlight: Denial-of-service vulnerabilities in some NETGEAR routers

Dave McDaniel of Cisco Talos discovered these vulnerabilities. The NETGEAR N300 line of wireless routers contains two denial-of-service vulnerabilities. The N300 is a small and affordable wireless router that contains the basic features of a wireless router. An attacker could exploit these bugs b...

openSUSE Security Update : SDL_image (openSUSE-2019-2071)

This update for SDLimage fixes the following issues : Update SDLImage to new snapshot 1.2.12+hg695. Security issues fixed : - TALOS-2019-0821 CVE-2019-5052: exploitable integer overflow vulnerability when loading a PCX file boo1140421 - TALOS-2019-0841 CVE-2019-5057: code execution vulnerability ...

openSUSE: Security Advisory for SDL_image (openSUSE-SU-2019:2071-1)

The remote host is missing an update for the Copyright C 2019 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Threat Source newsletter (Sept. 5, 2019)

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. By now, nearly everyone has heard of BlueKeep. It definitely sounds scary, with of this talk of wormable bugs and WannaCry. But so far, ...

GhIDA: Ghidra decompiler for IDA Pro

By Andrea Marcelli Executive Summary Cisco Talos is releasing two new tools for IDA Pro: GhIDA and Ghidraaas. GhIDA is an IDA Pro plugin that integrates the Ghidra decompiler in the IDA workflow, giving users the ability to rename and highlight symbols and improved navigation and comments. GhIDA...

Security update for SDL_image (moderate)

openSUSE Security Update: Security update for SDLimage Announcement ID: openSUSE-SU-2019:2071-1 Rating: moderate References: 1124827 1140421 1141844 1143763 1143764 1143766 1143768 Cross-References: CVE-2019-13616 CVE-2019-5052 CVE-2019-5057 CVE-2019-5058 CVE-2019-5059 CVE-2019-5060 CVE-2019-7635...

Vulnerability Spotlight: Information disclosure vulnerability in Blynk-Library

Lilith Wyatt of Cisco Talos discovered this vulnerability. Cisco Talos recently discovered an information disclosure vulnerability in Blynk-Library. Blynk-Library is a small library for connecting more than 400 different embedded device models into a private or enterprise Blynk-Server instance...

Vulnerability Spotlight: Two vulnerabilities in Epignosis eFront

Yuri Kramarz of Security Advisory Incident Response EMEAR discovered these vulnerabilities. Cisco Talos discovered two vulnerabilities in Epignosis eFront — one of which could allow an attacker to remotely execute code on the victim system, and another that opens the victim machine to SQL...

Epignosis eFront LMS PHP deserialization code execution vulnerability

Summary A code execution vulnerability exists in Epignosis eFront LMS v5.2.12. A specially crafted web request can cause unsafe deserialization potentially resulting in PHP code being executed. An attacker can send a crafted web parameter to trigger this vulnerability. Tested Versions Epignosis...

Threat Roundup for August 23 to August 30

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 23 and Aug. 30. 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: Multiple vulnerabilities in Aspose APIs

Marcin Noga of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered multiple remote code execution vulnerabilities in various Aspose APIs. Aspose provides a series of APIs for manipulating or converting a large family of document formats. These vulnerabilities exist in AP...

Elderly China Chopper Tool Still Going Strong in Multiple Campaigns

A nine-year-old web shell used for providing remote access to web servers for cyberattackers is staying very active despite its advanced age in cyber-years, anyway. Researchers said they’ve spotted it being used in several recent campaigns – all with disparate goals. The tool, known as China...

Threat Roundup for August 16 to August 23

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 16 and Aug. 23. 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 (Aug. 22)

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. A lot of people may think that cyber insurance is this new, unexplored field that carries a lot of questions. But did you know that thes...