Linux userspace is still a mess and has some bad bugs in root utilities, and Vaultwarden has an interesting auth bypass attack.

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/264.html

[00:00:00] Introduction

[00:00:29] LPEs in needrestart [Ubuntu]

[00:18:41] Vulnerability Disclosure: Authentication Bypass in Vaultwarden versions < 1.32.5

[00:31:50] From an Android Hook to RCE

[00:43:34] Simple macOS kernel extension fuzzing in userspace with IDA and TinyInst

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Linux Is Still a Mess and Vaultwarden Auth Issues