Update now! JetBrains TeamCity vulnerability abused at scale

JetBrains issued a warning on March 4, 2024 about two serious vulnerabilities in TeamCity server. The flaws can be used by a remote, unauthenticated attacker with HTTP(S) access to a TeamCity on-premises server to bypass authentication checks and gain administrative Read More …

Investigating Ivanti Connect Secure VPN Exploitation and Persistence Attempts

Mandiant and Ivanti’s investigations into widespread Ivanti zero-day exploitation have continued across a variety of industry verticals, including the U.S. defense industrial base sector. Following the initial publication on Jan. 10, 2024, Mandiant observed mass attempts to exploit these vulnerabilities Read More …

Ivanti urges customers to patch yet another critical vulnerability

In a new blog post, Ivanti says that it has found another vulnerability and urges customers to “immediately take action to ensure you are fully protected”. This vulnerability only affects a limited number of supported versions–Ivanti Connect Secure (version 9.1R14.4, Read More …

Cloudflare blames previous Okta breach for November 2023 cyberattack

Cloudflare is laying the blame for the cyberattack it suffered late last year the after-effects of the critical Okta breach. The content delivery service provider has published a blog post detailing the cybersecurity incident it suffered on Thanksgiving Day 2023, Read More …

Chinese Espionage Group UNC3886 Found Exploiting CVE-2023-34048 Since Late 2021

While publicly reported and patched in October 2023, Mandiant and VMware Product Security have found UNC3886, a highly advanced China-nexus espionage group, has been exploiting CVE-2023-34048 as far back as late 2021. These findings stem from Mandiant’s continued research of Read More …

Update Chrome – Google patches actively exploited zero-day vulnerability

Google has released an update for Chrome which includes four security fixes, including one for a vulnerability that has reportedly already been exploited. The easiest way to update Chrome is to allow it to update automatically, which basically uses the Read More …

Actively exploited 0-days in Ivanti VPN are letting hackers backdoor networks

Unknown threat actors are actively targeting two critical zero-day vulnerabilities that allow them to bypass two-factor authentication and execute malicious code inside networks that use a widely used virtual private network appliance sold by Ivanti, researchers said Wednesday. Ivanti reported Read More …

Operation Triangulation: The last (hardware) mystery

Today, on December 27, 2023, Boris Larin, Leonid Bezvershenko, and Georgy Kucherin delivered a presentation, titled, “Operation Triangulation: What You Get When Attack iPhones of Researchers”, at the 37th Chaos Communication Congress (37C3), held at Congress Center Hamburg. The presentation Read More …

How Outlook notification sounds can lead to zero-click exploits

An Akamai researcher has found two vulnerabilities in Windows that can be combined to achieve a full, zero-click remote code execution (RCE) in Outlook. Both vulnerabilities were responsibly disclosed to Microsoft and addressed in the August 2023 and October 2023 Read More …