Fuse User Space - A Bug in Lennox

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/getting-into-vulnerability-research-and-a-fuse-use-after-free.html

We are joined by Cts for a discussion about getting into vulnerability research and some thoughts about the higher-level bug hunting process, then a look at some black-box fuzzing of MS Defender for IoT and a FUSE use-after-free.

[00:00:44] Spot the Vuln - What do I need?

[00:03:11] Discussion: Getting into Vulnerability Research

[00:39:43] Inside the Black Box - How We Fuzzed Microsoft Defender for IoT and Found Multiple Vulnerabilities

[00:43:25] FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes

[00:46:51] FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes

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