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Vulnerability Analysis

Log4j One Year Later: What We Learned and What We Didn't Fix

A year after Log4Shell shook the internet, many organizations still had vulnerable instances. Here's what the anniversary revealed about our industry.

Jan 19, 20267 min read
Vulnerability Analysis

FortiGate SSL-VPN Zero-Day (CVE-2022-42475): How a Heap Overflow Gave Attackers the Keys

A heap-based buffer overflow in Fortinet's SSL-VPN was actively exploited before disclosure. State-sponsored actors used it to deploy custom implants on critical infrastructure.

Jan 19, 20266 min read
Vulnerability Analysis

GitHub Code Signing Bypass: When the Trust Anchor Fails

A vulnerability in GitHub's commit signature verification allowed attackers to forge signed commits. The flaw undermined the integrity guarantees that code signing is supposed to provide.

Jan 19, 20266 min read
Vulnerability Analysis

Log4Shell RCE in Apache Log4j (CVE-2021-44228)

A deep dive into CVE-2021-44228 (Log4Shell): the critical Log4j RCE vulnerability, its timeline, affected versions, and concrete remediation steps.

Jan 19, 20267 min read
Vulnerability Analysis

Apache Struts2 RCE behind the Equifax breach (CVE-2017-5638)

CVE-2017-5638, the Apache Struts2 RCE behind the Equifax breach, exposed 147.9M records. Here's the flaw, timeline, and how to remediate it.

Jan 19, 20267 min read
Vulnerability Analysis

Heartbleed OpenSSL memory disclosure (CVE-2014-0160)

Heartbleed (CVE-2014-0160) let attackers silently read server memory over TLS. Here's the impact, timeline, remediation, and how to detect lingering exposure today.

Jan 19, 20268 min read
Vulnerability Analysis

Sudo Baron Samedit heap overflow (CVE-2021-3156)

A decade-old sudo heap overflow, CVE-2021-3156 (Baron Samedit), let any local user gain root. Here's what's affected and how to fix it.

Jan 18, 20267 min read
Vulnerability Analysis

Spring4Shell RCE in Spring Framework (CVE-2022-22965)

A deep dive into CVE-2022-22965 (Spring4Shell): the critical Spring Framework RCE, its exploitation chain, timeline, and how to remediate it fast.

Jan 18, 20267 min read
Vulnerability Analysis

Log4j second RCE bypass (CVE-2021-45046)

The Log4j 2.15.0 patch for Log4Shell was incomplete. CVE-2021-45046 shows how attackers bypassed it to achieve remote code execution.

Jan 18, 20267 min read
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