Quarterly Report: Incident Response Trends in Q4 2022

Syncro, a remote management and monitoring tool, emerges as an increasingly common tool for adversaries. By Caitlin Huey. Ransomware continued to be a top threat Cisco Talos Incident Response Talos IR responded to this quarter, with appearances from both previously seen and newly observed...

FreshTomato httpd logs/view.cgi OS command injection vulnerability

Talos Vulnerability Report TALOS-2022-1641 FreshTomato httpd logs/view.cgi OS command injection vulnerability January 26, 2023 CVE Number CVE-2022-42484 SUMMARY An OS command injection vulnerability exists in the httpd logs/view.cgi functionality of FreshTomato 2022.5. A specially crafted HTTP...

Siretta QUARTZ-GOLD httpd delfile.cgi OS command injection vulnerability

Talos Vulnerability Report TALOS-2022-1607 Siretta QUARTZ-GOLD httpd delfile.cgi OS command injection vulnerability January 26, 2023 CVE Number CVE-2022-40969 SUMMARY An os command injection vulnerability exists in the httpd delfile.cgi functionality of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020....

Threat Landscape Topic Summary Report: Cisco Talos Year in Review 2022

While our ongoing support to Ukraine and response to the Log4j vulnerabilities were two of our most comprehensive and impactful efforts in 2022, we also dealt with a multitude of other threats as the security community faced an expanding set of adversaries and malware. In January, we identified...

Regarding recent reported security vulnerabilities from Cisco Talos

Back in October 2022, the Qt Project Security team was contacted by someone at Cisco Talos to report an issue with integer and buffer overflow issues in QML which they considered a vulnerability in Qt 6.3. This has recently been made public by Cisco Talos here. This has also resulted in two CVEs ...

Threat Round up for January 13 to January 20

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Jan. 13 and Jan. 20. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Gamaredon Group Launches Cyberattacks Against Ukraine Using Telegram

The Russian state-sponsored cyber espionage group known as Gamaredon has continued its digital onslaught against Ukraine, with recent attacks leveraging the popular messaging app Telegram to strike military and law enforcement sectors in the country. "The Gamaredon group's network infrastructure...

Vulnerability Spotlight: XSS vulnerability in Ghost CMS

Dave McDaniel of Cisco Talos discovered this vulnerability. Cisco Talos recently discovered a cross-site scripting XSS vulnerability in Ghost CMS. Ghost is a content management system with tools to build a website, publish content and send newsletters. Ghost offers paid subscriptions to members a...

Following the LNK metadata trail

Adversaries shift toward Shell Link LNK files, likely sparked by Microsofts decision to block macros, provides the opportunity to capitalize on information that can be provided by LNK metadata. Cisco Talos analyzed metadata in LNK files and correlated it with threat actors tactics techniques and...

Mitsubishi Electric MELSEC iQ-F, iQ-R Series

1. EXECUTIVE SUMMARY CVSS v3 5.9 ATTENTION: Exploitable remotely Vendor: Mitsubishi Electric Equipment: MELSEC iQ-F and iQ-R Series products Vulnerability: Predictable Seed in Pseudo-Random Number Generator PRNG 2. UPDATE OR REPOSTED INFORMATION This updated advisory is a follow-up to the...

Threat Source newsletter (Jan. 12, 2023): Did ChatGPT write our newsletter?

Welcome to this weeks edition of the Threat Source newsletter. We tried to get ChatGPT to write this weeks newsletter but it was at capacity, so youll have to stick with us for another week. Or maybe thats just what the robots want you to think, you be the judge. The one big thing This week Talos...

2022 Year in Review: APTs Livestream Replay

Did you miss our livestream focused on the APT section in the Cisco Talos Year in Review report? Join host Mitch Neff and special guests Jacob Finn, Asheer Malhotra, and Vitor Ventura as they discuss Talos findings and experiences tracking APTs in 2022. This livestream sheds light into the topic ...

APT Topic Summary Report: Cisco Talos Year in Review 2022

State-sponsored or state-aligned advanced persistent threats APTs adapted to the changing geopolitical landscape in 2022. Cisco Talos observed several offensive cyber campaigns linked to several groups stemming from Russia, Iran, China, North Korea, and countries in the Indian subcontinent. These...

Threat Source newsletter (Jan. 5, 2023): Digging out of our inboxes

Happy New Year and welcome to this weeks edition of the Threat Source newsletter. We cant tell if its the fog from Lurenes deadly eggnog or dare we say pure rest and relaxation but were still digging out of our inboxes, trying to remember logins, and circle back on all the things we prolonged int...

Researchers Warn of Kavach 2FA Phishing Attacks Targeting Indian Govt. Officials

A new targeted phishing campaign has zoomed in on a two-factor authentication solution called Kavach that's used by Indian government officials. Cybersecurity firm Securonix dubbed the activity STEPPYKAVACH, attributing it to a threat actor known as SideCopy based on tactical overlaps with prior...

Vulnerability Spotlight: OpenImageIO file processing issues could lead to arbitrary code execution, sensitive information leak and denial of service

Lilith of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered nineteen vulnerabilities in OpenImageIO, an image processing library, which could lead to sensitive information disclosure, denial of service and heap buffer overflows which could further lead to code executio...

Two New Security Flaws Reported in Ghost CMS Blogging Software

Cybersecurity researchers have detailed two security flaws in the JavaScript-based blogging platform known as Ghost, one of which could be abused to elevate privileges via specially crafted HTTP requests. Ghost is an open source blogging platform that's used in more than 52,600 live websites, mos...

Vulnerability Spotlight: Authentication bypass and enumeration vulnerabilities in Ghost CMS

Dave McDaniel and other members of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered two vulnerabilities in Ghost CMS, one authentication bypass vulnerability and one enumeration vulnerability. Ghost is a content management system with tools to build a website, publish...

Ghost user enumeration vulnerablity

Talos Vulnerability Report TALOS-2022-1625 Ghost user enumeration vulnerablity December 21, 2022 CVE Number CVE-2022-41697 SUMMARY A user enumeration vulnerability exists in the login functionality of Ghost Foundation Ghost 5.9.4. A specially-crafted HTTP request can lead to a disclosure of...

Threat Spotlight: XLLing in Excel - threat actors using malicious add-ins

Microsoft is phasing out support for executing VBA macros in downloaded Office documents. Cisco Talos investigates another vector for introduction of malicious code to Microsoft Excel--malicious add-ins, specifically XLL files. Although XLL files were supported since early versions of Excel,...