ALPINE-CVE-2024-23184

Having a large number of address headers From, To, Cc, Bcc, etc. becomes excessively CPU intensive. With 100k header lines CPU usage is already 12 seconds, and in a production environment we observed 500k header lines taking 18 minutes to parse. Since this can be triggered by external actors...

CrowdStrike Reveals Root Cause of Global System Outages

Cybersecurity company CrowdStrike has published its root cause analysis detailing the Falcon Sensor software update crash that crippled millions of Windows devices globally. The "Channel File 291" incident, as originally highlighted in its Preliminary Post Incident Review PIR, has been traced bac...

Change Healthcare outages reportedly caused by ransomware

On Wednesday February 21, 2024, Change Healthcare—a subsidiary of UnitedHealth Group—experienced serious system outages due to a cyberattack. In a Form 8-K filing the company said it: “identified a suspected nation-state associated cyber security threat actor had gained access to some of the Chan...

Ransomware. In the air?

Introduction As an exercise, we were asked to look at the potential vectors for ransomware to affect flight despatch and operations. In most cases, flight systems simply werent significantly exposed, but ground systems affected by ransomware may make flight ops either impossible or significantly...

The vulnerability in the “drivers/media/usb/dvb-usb/technisat-usb2.c” component of the Linux operating system allows a hacker to disclose protected information or cause service failures.

The vulnerability in the drivers/media/usb/dvb-usb/technisat-usb2.c component of the Linux kernel lies in the execution of operations outside of the buffer in memory. Exploiting this vulnerability can allow an attacker to disclose sensitive information or cause system failures...

The vulnerability of the Oracle MySQL database management system allows a hacker to gain privileged access and cause service interruptions.

The vulnerability of the MySQL Server component of the Oracle MySQL database management system is related to deficiencies in access control. Exploiting this vulnerability can allow a malicious actor to gain privileged access and cause the system to become unstable or crash using network packets...