Episode Details

This story was originally published on HackerNoon at: https://hackernoon.com/one-empty-header-to-admin-how-an-auth-bypass-breaks-openbullet2.
Five vulnerabilities in OpenBullet2: an empty API key, path traversal, RCE, and an NTLM hash leak.
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This article walks through 5 CVEs: an empty X-Api-Key header that bypasses authentication by default, arbitrary C# and script-file execution, a wordlist path traversal granting arbitrary file read/write/delete as root, and an NTLMv2 hash leak on Windows.