Vulnerability Analysis
In-depth guides and analysis on vulnerability analysis from the Safeguard engineering team.
577 articles
CVE-2024-4577 PHP CGI Argument Injection Explained
CVE-2024-4577 is a CVSS 9.8 argument injection in PHP-CGI on Windows that bypasses CVE-2012-1823's fix. Root cause, exploitation, and remediation.
Palo Alto PAN-OS Zero-Day CVE-2024-3400: Command Injection in GlobalProtect
A critical command injection vulnerability in Palo Alto Networks PAN-OS GlobalProtect feature was exploited as a zero-day, giving attackers root access to firewalls protecting enterprise networks.
Kubernetes CVE-2024-3177: Bypassing Mountable Secrets Policy
A medium-severity Kubernetes vulnerability allowed pods to access secrets they should not have been able to mount, undermining RBAC-based secret isolation in multi-tenant clusters.
Follina and the MSDT Lesson: What CVE-2022-30190 Taught About Trusted Handlers
Follina exploited a Microsoft Support Diagnostic Tool URI handler that nobody thought about. The technical mechanics, the rapid exploitation, and the lasting defense lessons.
Log4Shell (Log4j Vulnerability) Explained
A deep dive into Log4Shell (CVE-2021-44228): how the critical Log4j2 RCE flaw worked, its timeline, affected versions, and how to remediate it.
What Was the Heartbleed Bug
A deep dive into CVE-2014-0160 (Heartbleed): the OpenSSL heartbeat flaw, its severity, exploitation timeline, and how to remediate it today.
What Was the Shellshock Vulnerability
Shellshock (CVE-2014-6271) let attackers run code on millions of Bash-based systems via a single crafted header. Here's the full breakdown and fix.
What is EternalBlue
EternalBlue (CVE-2017-0144) turned a patched SMBv1 flaw into WannaCry and NotPetya. Here is the exploit, timeline, and remediation, explained.
The SolarWinds Supply Chain Attack Explained
How Russian intelligence hijacked SolarWinds' build system to backdoor Orion updates for 18,000 customers, and what security teams must do now.
The XZ Utils Backdoor Explained
A trusted maintainer, years of quiet social engineering, and one hidden SSH backdoor: how CVE-2024-3094 nearly compromised the global Linux supply chain.
The Shai-Hulud npm Supply Chain Attack Explained
How the Shai-Hulud worm turned compromised npm maintainer tokens into a self-replicating supply chain attack, and how to detect and remediate it.
Ivanti Connect Secure Zero-Day: CVE-2024-21887 and CVE-2023-46805 Exploited in the Wild
Two chained zero-days in Ivanti Connect Secure VPN appliances gave attackers unauthenticated remote code execution. Here's what happened and why perimeter devices remain a favorite target.
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