Threat Source newsletter for Sept. 10, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. In our continued research on election security, we have a new video roundtable discussion up on our YouTube page. In this Q&A-style format, I ask our researchers questions about the work they’ve done researching disinformation aka...

Roundtable video: Disinformation and election security

By Jon Munshaw. In our continued coverage of election security, we decided to sit down with four Talos and Cisco researchers to discuss disinformation. As we outlined in our recent research paper, disinformation is one of the cornerstones of threat actors' efforts to disrupt the American election...

Vulnerability Spotlight: Privilege escalation in Windows 10 CLFS driver

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a privilege escalation vulnerability in the Windows 10 Common Log File System. CLFS is a general-purpose logging service that can be used by software clients running in user-mo...

Threat Roundup for August 28 to September 4

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 28 and Sept. 4. 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 for Sept. 3, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. We recently uncovered a series of email campaigns utilizing links to malicious documents hosted on legitimate file-sharing platforms to spread malware. The campaigns distributed various malware payloads including Gozi ISFB, ZLoade...

Salfram: Robbing the place without removing your name tag

By Holger Unterbrink and Edmund Brumaghin. Threat summary Cisco Talos recently uncovered a series of email campaigns utilizing links to malicious documents hosted on legitimate file-sharing platforms to spread malware.The campaigns distributed various malware payloads including Gozi ISFB, ZLoader...

Better email classification, courtesy of you

Cisco customers with Email Security Appliances ESA or Cloud Email Security CES accounts already know the benefits of Cisco’s email filtering. Every day, millions of malicious emails are automatically sent to the trash bin. Cisco encourages customers to participate in honing those filters by...

Beers with Talos ep. #91: Get the FUD out

Beers with Talos BWT Podcast episode No. 91 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. 14, 2020 Let’s talk about FUD. It’s not enough ...

Vulnerability Spotlight: Code execution, memory corruption vulnerabilities in Accusoft ImageGear

Emmanuel Tacheau of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered two vulnerabilities in Accusoft ImageGear. The ImageGear library is a document-imaging developer toolkit to assist users with image conversion, creation, editing and more. There...

OS4Ed openSIS install remote code execution vulnerability

Summary A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. A specially crafted HTTP request can lead to remote code execution. An attacker can send an HTTP request to trigger this vulnerability. Tested Versions OS4Ed openSIS 7.4 Product URLs...

OS4Ed openSIS login SQL injection vulnerability

Summary An exploitable SQL injection vulnerability exists in the login functionality of OS4Ed openSIS 7.3. A specially crafted HTTP request can lead to SQL injection. An attacker can send an HTTP request to trigger this vulnerability. Tested Versions OS4Ed openSIS 7.3 Product URLs...

Threat Roundup for August 21 to August 27

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 21 and Aug. 27. 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...

Disinformation Spurs a Thriving Industry as U.S. Election Looms

In the years since the 2016 U.S. Presidential Election, threat actors have pieced together a new playbook for sowing confusion and doubt within the American electorate. On Wednesday, researchers with Cisco Talos released a report PDF that details how a number of these new sophisticated campaigns...

Four More Bugs Patched in Microsoft’s Azure Sphere IoT Platform

Details tied to a pair of remote code execution bugs in Microsoft’s IoT security platform called Azure Sphere were released Monday. Also made public were specifics associated with two additional privilege escalation flaws impacting the same cloud security platform. Public disclosure of all four o...

Threat Roundup for August 14 to August 21

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 14 and Aug. 21. 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 for Aug. 13, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. It’s really tough to attribute cyber attacks. We know it. You know it. But why is that, exactly? And why do we want to attribute attacks so badly anyway? In our latest blog post, we look at why attribution is challenging, and what...

Intel® RAID Web Console 3 for Windows* Advisory

Summary: A potential security vulnerability in the Intel® RAID Web Console 3 for Windows may allow denial of service. Intel is releasing software updates to mitigate this potential vulnerability. Vulnerability Details: CVEID: CVE-2020-8688 Description: Improper input validation in the IntelR RAID...

Threat Roundup for July 31 to August 7

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 31 and Aug. 7. 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: Microsoft issues security update for Azure Sphere

Claudio Bozzato, Lilith and Dave McDaniel of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos researchers recently discovered seven vulnerabilities in Microsoft’s Azure Sphere, a cloud-connected SoC platform designed specifically with IoT application security in mind...

Threat Roundup for July 17 to July 24

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 17 and July 24. 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...