Threat Analysis Unit (TAU) Threat Intelligence Notification: Tofsee Botnet

Tofsee is a botnet which has not been reported on since the following analysis in September of 2016 by the Cert Polka team and Cisco Talos. This updated campaign employs new techniques in order to aggressively send large volumes of spam emails primarily targeting the adult dating scene. This new...

Threat Roundup for December 6 to December 13

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

Threat Source newsletter (Dec. 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. We’re entering our Year in Review period. Now’s the time to look back on the top stories from 2019 and think about what we learned. In t...

Talos Vulnerability Discovery Year in Review — 2019

By Martin Zeiser. Cisco Talos' Systems Security Research Team investigates software, operating system, IoT and ICS vulnerabilities to make sure we find vulnerabilities before the bad guys do. We provide this information to the affected vendors so that they can create patches and protect their...

Vulnerability Spotlight: Information leak vulnerability in Adobe Acrobat Reader

Aleksandar Nikolic of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an information leak vulnerability in Adobe Acrobat Reader DC. An attacker could exploit this vulnerability by tricking the victim into opening a specially crafted, malicious PDF,...

Vulnerability Spotlight: Apple Safari SVG marker element baseVal remote code execution vulnerability

Marcin Towalski of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Apple’s Safari web browser is open to a remote code execution vulnerability via its SVG marker element feature inside the Safari WebKit. Safari uses the WebCore DOM rendering system in WebKit. Rendering engine allo...

Beers with Talos Ep. #67: Inside Incident Response

By Mitch Neff. Beers with Talos BWT Podcast episode No. 67 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing, click here. Recorded Nov. 21, 2019 Craig is out sick/injured/fighting robots actually all three, so we brought in Sean...

Threat Roundup for November 29 to December 6

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 29 and Dec. 6. 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 (Dec. 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. We hope everyone had a safe and happy Thanksgiving in the U.S. The holiday shopping season is now in full swing, and there are plenty of...

Critical Flaw in GoAhead Web Server Could Affect Wide Range of IoT Devices

Cybersecurity researchers today uncovered details of two new vulnerabilities in the GoAhead web server software, a tiny application widely embedded in hundreds of millions of Internet-connected smart devices. One of the two vulnerabilities, assigned as CVE-2019-5096, is a critical code execution...

Vulnerability Spotlight: Two vulnerabilities in EmbedThis GoAhead

A Cisco Talos researcher discovered these vulnerabilities. Blog by Jon Munshaw. EmbedThis’ GoAhead Web Server contains two vulnerabilities that both arise when the software attempts to process a multi-part/form-data HTTP request. An attacker could exploit these vulnerabilities to remotely execute...

Vulnerability Spotlight: SQL injection vulnerabilities in Forma Learning Management System

Yuri Kramarz of Security Advisory EMEAR discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered three SQL injection vulnerabilities in the authenticated portion of the Formal Learning Management System. LMS is a set of software that allows companies to build and hos...

Threat Roundup for November 15 to November 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 15 and Nov. 22. 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 (Nov. 21, 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. It’s nearly holiday shopping season, which means it’s prime scam season. On the latest Beers with Talos episode, we run down the best wa...

Vulnerability Spotlight: Tenda AC9 /goform/WanParameterSetting command injection vulnerability

Amit Raut of Cisco Talos discovered this vulnerability. Cisco Talos recently discovered a command injection vulnerability in the Tenda AC9 router. The Tenda AC9 is one of the most popular and affordable dual-band gigabit WiFi Router available online, especially on Amazon. A command injection...

Vulnerability Spotlight: Two remote code execution vulnerabilities in Xcftools

Claudio Bozzato of Cisco Talos discovered these vulnerabilities. Xcftools contains two remote code execution vulnerabilities in its flattenIncrementally function. Xcftools is a set of tools for handling Gimp’s XCF files. The software provides tools to extract information from an XCF file, and the...

Threat Source newsletter (Nov. 14, 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. It was all about the bugs this week. Patch Tuesday was especially busy for us, including our usual recap of all the vulnerabilities...

Threat Source newsletter (Nov. 7, 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. The only news we’re going to cover this week is the biggest news we’ve had in a while. Tuesday, we announced that Cisco Incident Respons...

New partnership brings together Talos’ visibility with IR’s unmatched response capabilities

By Jon Munshaw. The threat landscape has evolved into a complex, challenging environment for organizations everywhere. A talent shortage, combined with an increase in incidents, has led to a generally weak security posture among most organizations. Defenders’ backs are up against the wall...

Microsoft Patch Tuesday — Nov. 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 discloses 75 vulnerabilities, 13 of which are considered "critical," with the rest being deemed "important." This month’s security...