[binary] XNU's kalloc_type, Stranger Strings, and a NetBSD Bug

Kicking off the week with a look at Apple's new security blog and the kalloc_type introduced into XNU, then a mix of issues including an overflow in SQLite. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/164.html [00:00:00] Introduction [00:00:24] Spot the Vuln - Right Code, Wrong Place [00:03:05] Hexacon Talks are Available [00:04:56] Towards the next generation of XNU memory safety: kalloc_type [00:21:23] NetBSD Coredump Kernel Refcount LPE [00:24:56] [Chrome] heap-use-after-free in AccountSelectionBubbleView::OnAccountImageFetched [00:31:42] Stranger Strings: An exploitable flaw in SQLite [00:44:35] Reaching Vulnerable Point starting from 0 Knowledge on RPC [CVE-2022-26809 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