Day[0]

After 283 episodes, this will be the final episode of the DAY[0] podcast. We started the podcast on a hopeful note in the days following Ghidra's release. Now, to end it off we've got another discussion about how we see the future of vulnerability research and exploit development going. We recorded this episode before all the hype around "Mythos" and Project Glasswing so it doesn...

A quick episode this week, which includes attacking VS Code with ASCII control characters, as well as a referrer leak and SCIM hunting. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/282.html [00:00:00] Introduction [00:00:57] Attacking Hypervisors - Training Update [00:06:20] Drag and Pwnd: Leverage ASCII characters to exploit VS Code [00:12:12...

A special episode this week, featuring an interview with John Carse, Chief Information Security Officer (CISO) of SquareX. John speaks about his background in the security industry, grants insight into attacks on browsers, and talks about the work his team at SquareX is doing to detect and mitigate browser-based attacks.

A long episode this week, featuring an attack that can leak secrets from Gemini's Python sandbox, banks abusing private iOS APIs, and Windows new Hypervisor-enforced Paging Translation (HVPT). Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/280.html [00:00:00] Introduction [00:00:18] Doing the Due Diligence - Analyzing the Next.js Middleware...

API hacking and bypassing Ubuntu's user namespace restrictions feature in this week's episode, as well as a bug in CimFS for Windows and revisiting the infamous NSO group WebP bug. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/279.html [00:00:00] Introduction [00:00:28] Next.js and the corrupt middleware: the authorizing artifact [00:06...

This episode features some game exploitation in Neverwinter Nights, weaknesses in mobile implementation for PassKeys, and a bug that allows disclosure of the email addresses of YouTube creators. We also cover some research on weaknesses in Azure. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/278.html [00:00:00] Introduction [00:00:35] Exploitin...

Discussion this week starts with the ESP32 "backdoor" drama that circled the media, with some XML-based vulnerabilities in the mix. Finally, we cap off with a post on reviving modprobe_path for Linux exploitation, and some discussion around an attack chain against China that was attributed to the NSA. Links and vulnerability summaries for this episode are available at: https://dayzerosec...

A very technical episode this week, featuring some posts on hacking the xbox 360 hypervisor as well as AMD microcode hacking. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/276.html [00:00:00] Introduction [00:00:15] Reversing Samsung's H-Arx Hypervisor Framework - Part 1 [00:10:34] Hacking the Xbox 360 Hypervisor Part 1: System Overview [00:21:...

This week's episode features a variety of vulnerabilities, including a warning on mixing up public and private keys in OpenID Connect deployments, as well as path confusion with an nginx+apache setup. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/275.html [00:00:00] Introduction [00:19:00] The OOB Read zi Introduced [00:16:55] Mixing up Pub...

We discuss an 0day that was dropped on Parallels after 7 months of no fix from the vendor, as well as ZDI's troubles with responses to researchers and reproducing bugs. Also included are a bunch of filesystem issues, and an insanely technical linux kernel exploit chain. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/274.html [00:00:00] Intro...

We cover a comical saga of vulnerabilities and variants from incomplete fixes in macOS, as well as a bypass of Chrome's miraclePtr mitigation against Use-After-Frees (UAFs). We also discuss an attack that abuses COM hijacking to elevate to SYSTEM through AVG Antivirus, and a permissions issue that allows unauthorized access to DRM'd audiobooks. Links and vulnerability summaries for this episode ar...

In this episode, we discuss the US government discloses how many 0ds were reported to vendors in a first-ever report. We also cover PortSwigger's top 10 web hacking techniques of 2024, as well as a deep dive on how kernel mode shadow stacks are implemented on Windows by Connor McGarr. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/272.html [...

On the web side, we cover a portswigger post on ways of abusing unicode mishandling to bypass firewalls and a doyensec guide to OAuth vulnerabilities. We also get into a Windows exploit for a use-after-free in the telephony service that bypasses Control Flow Guard, and a data race due to non-atomic writes in the macOS kernel. Links and vulnerability summaries for this episode are available at: htt...

Zero Day Initiative posts their trends and observations from their threat hunting highlights of 2024, macOS has a sysctl bug, and a technique leverages CloudFlare to deanonymize users on messaging apps. PortSwigger also publishes a post on the Cookie Sandwich technique, and Subaru's weak admin panel security allows tracking and controlling other people's vehicles. Links and vulnerability s...

This week features a mix of topics, from polyglot PDF/JSON to android kernel vulnerabilities. Project Zero also publishes a post about excavating an exploit strategy from crash logs of an In-The-Wild campaign. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/269.html [00:00:00] Introduction [00:07:48] Attacking Hypervisors - From KVM to Mobile Sec...

Specter and zi discuss their winter break, cover some interesting CCC talks, and discuss the summary judgement in the WhatsApp vs. NSO Group case. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/268.html [00:00:00] Introduction [00:09:53] 38C3: Illegal Instructions [00:35:38] WhatsApp v. NSO Group [01:04:06] Vulnerability Research Highlights 2024...

In our last episode of 2024, we delve into some operating system bugs in both Windows and Linux, as well as some bugs that are not bugs but rather AI slop. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/267.html [00:00:00] Introduction [00:06:48] Buffer Overflow Risk in Curl_inet_ntop and inet_ntop4 [00:19:20] Bypassing WAFs with the phantom $Ve...

This week's episode contains some LLM hacking and attacks on classifiers, as well as the renewal of DMA attacks with SD Express and the everlasting problems of null bytes. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/266.html [00:00:00] Introduction [00:00:31] Hacking 2024 by No Starch [00:09:18] Announcing the Adaptive Prompt Injection Challe...

A short episode this week, featuring Keyhole which abuses a logic bug in Windows Store DRM, an OAuth flow issue, and a CSRF protection bypass. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/265.html [00:00:00] Introduction [00:00:16] Attacking Hypervisors From KVM to Mobile Security Platforms [00:02:30] Keyhole [00:10:12] Drilling the redirect_u...

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:...

This week, we dive into some changes to V8CTF, the FortiJump Higher bug in Fortinet's FortiManager, as well as some coverage instrumentation on blackbox macOS binaries via Pishi. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/263.html [00:00:00] Introduction [00:00:25] V8 Sandbox Bypass Rewards [00:25:39] Hop-Skip-FortiJump-FortiJump-Higher - Fo...

Methodology is the theme of this week's episode. We cover posts about static analysis via CodeQL, as well as a novel blackbox binary querying language called QueryX. Project Zero also leverages Large Language Models to successfully find a SQLite vulnerability. Finally, we wrap up with some discussion on Hexacon and WOOT talks, with a focus on Clem1's In-The-Wild exploit chains insights via Google'...

In this week's episode, we talk a little bit about LLMs and how they can be used with static analysis. We also cover GitHub Security Blog's post on attacking browser extensions, as well as a somewhat controversial CyberPanel Pre-Auth RCE that was disclosed. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/261.html [00:00:00] Introduction [00:01:56...

In this week's episode, Specter recaps his experiences at Hardwear. IO and a PS5 hypervisor exploit chain presented there. We also cover some of the recently released DEF CON 32 talks. After the conference talk, we get into some filesystem exploit tricks and how arbitrary file write can be taken to code execution in read-only environments. Links and vulnerability summaries for this episode are ava...

In this week's episode, we cover the fiasco of a vulnerability in Zendesk that could allow intrusion into multiple fortune 500 companies. We also discuss a project zero blogpost that talks about fuzzing Dav1d and the challenges of fuzzing, as well as rooting Linux via EMFI with a lighter. Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/259.html [...