Nuclei Vulnerability: When YAML Meets Wham! Bam! Exploit Jam!

Nuclei vulnerability scanner had a bug that could let hackers inject code with ease, thanks to a sneaky newline character trick. Tracked as CVE-2024-43405, the flaw was fixed in version 3.3.2. So, if you’re not updated, it’s time to patch up, or risk some unwelcome code surprises!

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Published: January 6, 2025 1:54 pmAdded: January 6, 2025 at 6:25 amAssembled by: The Editor
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Hot Take:

Oh, Nuclei, so popular yet so vulnerable! It’s like trusting a guard dog that’s easily distracted by a ball. Who knew a few lines of code could be the Achilles heel of vulnerability scanners? Remember folks, when it comes to cybersecurity tools, always read the fine print and upgrade like there’s no tomorrow!

Key Points:

  • Nuclei vulnerability scanner flaw allows arbitrary code execution via custom code templates.
  • The flaw is tracked as CVE-2024-43405 with a CVSS score of 7.8, affecting versions 3.0.0 to 3.3.1.
  • The issue arises from discrepancies in the template signature verification and YAML parser handling of newline characters.
  • The bug has been patched in Nuclei version 3.3.2 released in September 2024.
  • Organizations should update to the latest version and run the scanner in isolated environments to avoid risks.

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