The OpenBSD TCP IP Overflow

Some simple, but interesting vulnerabilities. A use-after-free because of wrong operation ordering, an interesting type confusion, an integer underflow and some OOB access in TPM 2.0 reference code.

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/196.html

[00:00:00] Introduction

[00:00:27] Spot the Vuln - Just be Positive

[00:03:42] oss-sec: Linux kernel: CVE-2023-1118: UAF vulnerabilities in "drivers/media/rc" directory

[00:07:56] oss-sec: CVE-2023-1076: Linux Kernel: Type Confusion hardcodes tuntap socket UID to root

[00:11:21] GitHub - fuzzingrf/openbsd_tcpip_overflow: OpenBSD remote overflow

[00:14:36] Chat Question: What Language is Most Effective for Writing These Types of Exploits

[00:18:22] Vulnerabilities in the TPM 2.0 reference implementation code

[00:28:19] Chat Question: Skillset for Exploit Dev as part of a Red Team

[00:33:40] Espressif ESP32: Glitching The OTP Data Transfer

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