cover of episode [binary] Attacking Bhyves and a Kernel UAF

[binary] Attacking Bhyves and a Kernel UAF

2023/1/12
logo of podcast Day[0]

Day[0]

Shownotes Transcript

Just a few issues this week, but some solid exploitation. A Kernel UAF, IoT, and a bhyve escape.

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/178.html

[00:00:00] Introduction

[00:00:35] Spot the Vuln - Internal Externals

[00:06:35] Escaping from bhyve

[00:13:14] Linux Kernel: Exploiting a Netfilter Use-after-Free in kmalloc-cg

[00:29:28] MeshyJSON: A TP-Link tdpServer JSON Stack Overflow

[00:42:19] Survey of security mitigations and architectures, December 2022

[00:45:25] Abusing RCU callbacks with a Use-After-Free read to defeat KASLR

The DAY[0] Podcast episodes are streamed live on Twitch twice a week:

 -- Mondays at 3:00pm Eastern (Boston) we focus on web and more bug bounty style vulnerabilities

 -- Tuesdays at 7:00pm Eastern (Boston) we focus on lower-level vulnerabilities  and exploits.

We are also available on the usual podcast platforms:

 -- Apple Podcasts: https://podcasts.apple.com/us/podcast/id1484046063

 -- Spotify: https://open.spotify.com/show/4NKCxk8aPEuEFuHsEQ9Tdt

 -- Google Podcasts: https://www.google.com/podcasts?feed=aHR0cHM6Ly9hbmNob3IuZm0vcy9hMTIxYTI0L3BvZGNhc3QvcnNz

 -- Other audio platforms can be found at https://anchor.fm/dayzerosec

You can also join our discord: https://discord.gg/daTxTK9