Video: How propaganda can spread on social media via memes, fake news

Cisco Talos is well-known for its work in spotting and defeating fake news, disinformation and misinformation. And state-sponsored actors, unwitting social media users and even direct government agencies have played a part in spreading fake news during Russia's invasion of Ukraine. In this video,...

Video: How propaganda can spread on social media via memes, fake news

Cisco Talos is well-known for its work in spotting and defeating fake news, disinformation and misinformation. And state-sponsored actors, unwitting social media users and even direct government agencies have played a part in spreading fake news during Russias invasion of Ukraine. In this video,...

Robustel R1510 web_server /ajax/remove/ directory traversal vulnerability

Talos Vulnerability Report TALOS-2022-1579 Robustel R1510 webserver /ajax/remove/ directory traversal vulnerability October 14, 2022 CVE Number CVE-2022-33897 SUMMARY A directory traversal vulnerability exists in the webserver /ajax/remove/ functionality of Robustel R1510 3.1.16. A...

Robustel R1510 sysupgrade firmware update vulnerability

Talos Vulnerability Report TALOS-2022-1580 Robustel R1510 sysupgrade firmware update vulnerability October 14, 2022 CVE Number CVE-2022-34845 SUMMARY A firmware update vulnerability exists in the sysupgrade functionality of Robustel R1510 3.1.16 and 3.3.0. A specially-crafted network packet can...

Alchimist: A new attack framework in Chinese for Mac, Linux and Windows

By Chetan Raghuprasad, Asheer Malhotra and Vitor Ventura, with contributions from Matt Thaxton. Cisco Talos discovered a new attack framework including a command and control C2 tool called "Alchimist" and a new malware "Insekt" with remote administration capabilities. The Alchimist has a web...

Vulnerability Spotlight: Multiple issues in Robustel R1510 cellular router could lead to code execution, denial of service

Francesco Benvenuto of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered nine vulnerabilities in the Robustel R1510 industrial cellular router, several of which could allow an adversary to inject operating system code remotely. The Robustel R1510 router is a...

Vulnerability Spotlight: Multiple issues in Robustel R1510 cellular router could lead to code execution, denial of service

Francesco Benvenuto of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered nine vulnerabilities in the Robustel R1510 industrial cellular router, several of which could allow an adversary to inject operating system code remotely. The Robustel R1510...

Vulnerability Spotlight: Data deserialization in VMware vCenter could lead to remote code execution

Marcin "Icewall" Noga of Cisco Talos discovered this vulnerability. Cisco Talos recently discovered an exploitable data deserialization vulnerability in the VMware vCenter server platform. VMware is one of the most popular virtual machine solutions currently available, and its vCenter software...

Vulnerability Spotlight: Data deserialization in VMware vCenter could lead to remote code execution

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable data deserialization vulnerability in the VMware vCenter server platform. VMware is one of the most popular virtual machine solutions currently available, and it...

Threat Roundup for September 30 to October 7

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 30 and Oct. 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: Issue in Hancom Office 2020 could lead to code execution

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an exploitable memory corruption vulnerability in Hancom Office 2020. Hancom Office is a popular software collection among South Korean users that offers similar products to...

Developer account body snatchers pose risks to the software supply chain

By Jaeson Schultz. Over the past several years, high-profile software supply chain attacks have increased in frequency. These attacks can be difficult to detect and source code repositories became a key focus of this research. Developer account takeovers present a substantial risk to the software...

Developer account body snatchers pose risks to the software supply chain

Over the past several years, high-profile software supply chain attacks have increased in frequency. These attacks can be difficult to detect and source code repositories became a key focus of this research. Developer account takeovers present a substantial risk to the software supply chain becau...

Hancom Office 2020 Hword Docx XML parsing heap underflow vulnerability

Talos Vulnerability Report TALOS-2022-1574 Hancom Office 2020 Hword Docx XML parsing heap underflow vulnerability October 4, 2022 CVE Number CVE-2022-33896 SUMMARY A buffer underflow vulnerability exists in the way Hword of Hancom Office 2020 version 11.0.0.5357 parses XML-based office files. A...

The vulnerability of Talos Linux operating system interfaces allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of Talos Linux operating systems relates to the improper assignment of permissions for critical resources during the signature verification process. Exploiting this vulnerability can allow an attacker, working remotely, to gain unauthorized access to protected information...

Researcher Spotlight: Globetrotting with Yuri Kramarz

From the World Cup in Qatar to robotics manufacturing in east Asia, this incident responder combines experience from multiple arenas By Jon Munshaw. Yuri “Jerzy” Kramarz helped secure everything from the businesses supporting the upcoming World Cup in Qatar to the Black Hat security conference an...

Threat Advisory: Microsoft warns of actively exploited vulnerabilities in Exchange Server

Cisco Talos has released new coverage to detect and prevent the exploitation of two recently disclosed vulnerabilities collectively referred to as "ProxyNotShell," affecting Microsoft Exchange Servers 2013, 2016 and 2019. One of these vulnerabilities could allow an attacker to execute remote code...

Threat Advisory: Microsoft warns of actively exploited vulnerabilities in Exchange Server

Cisco Talos has released new coverage to detect and prevent the exploitation of two recently disclosed vulnerabilities collectively referred to as "ProxyNotShell," affecting Microsoft Exchange Servers 2013, 2016 and 2019. One of these vulnerabilities could allow an attacker to execute remote code...

New Malware Campaign Targeting Job Seekers with Cobalt Strike Beacons

A social engineering campaign leveraging job-themed lures is weaponizing a years-old remote code execution flaw in Microsoft Office to deploy Cobalt Strike beacons on compromised hosts. "The payload discovered is a leaked version of a Cobalt Strike beacon," Cisco Talos researchers Chetan...

Vulnerability Spotlight: Vulnerabilities in popular library affect Unix-based devices

Lilith of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered a memory corruption vulnerability in the uClibC library that could affect any Unix-based devices that use this library. uClibC and uClibC-ng are lightweight replacements for the popular gLibc library, which is...