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Authz Bypass in Oracle Cloud, Chrome Prototype Pollution, Why Security Products Fail – ASW #213

Wiz reveals authorization bypass in Oracle Cloud, Python 15-year old path traversal flaw, Prototype Pollution in Chrome, PS4 flaw reappears in PS5, Why security products fail

Full episode and show notes

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Tech Lead at Block
  1. 1. Notice of Recent Security Incident
    In brief: protect developer endpoints with strong MFA implementations like FIDO2 security keys.
  2. 2. AttachMe: critical OCI vulnerability allows unauthorized access to customer cloud storage volumes
    Ouch. The Wiz research team turned their eyes towards Oracle cloud and found a simple, and highly critical, authorization bypass.
  3. 3. Twitter discloses it wasn’t logging users out of accounts after password resets
    Working through the security model of login flows -- including account recovery and credential rotation -- requires more discussion than just the type of MFA to support.
  4. 4. Tarfile path traversal bug from 2007 still present in 350k open source repos
    Of course this one has to be covered. It's path traversal in Python that's been around for 15 years. Read the research at https://www.trellix.com/en-us/about/newsroom/stories/research/tarfile-exploiting-the-world.html
  5. 5. Prototype pollution bug in Chromium bypassed Sanitizer API
    This is a good chance to talk about security boundaries, where to place them, and what their expectations should be for bugs and features.
  6. 6. Sony Reintroduced a PS4 Bug on PS5 Which Could Have Led to a Jailbreak
    We've been talking about testing a lot lately, specifically unit and functional testing by developers. This isn't the first time a vuln has been reintroduced, so it's always useful to ask how the fix for the original vuln was tested and how that test was (or wasn't) carried forward through the software's evolution.
  7. 7. Why do security products fail?
    Our think piece for the month, which highlights toil, poor UX for devs, and lack of value (aka measurable effectiveness) in security solutions.
Senior Engineering Leader at AWS
  1. 1. Is a Rust rewrite really worth it?
    p99 conf is coming up, and TNS offers a preview of 2 talks which talk through the experience of rewriting code into rust.
  2. 2. Does web3 really need it’s own bug bounty platforms?
    TC covered the series A funding of Immunefi, a bug bounty platform for web3 (apparently one of many). But the question that this brings to me: do we really need a separate bounty platform?
  3. 3. bgp attack results in $235k crypto loss
    I don't think historically we've seen many bgp attacks have direct financial consequences, but as we have a more automated world and things like the web3 space, these attacks can become more and more costly
  4. 4. How to bypass cloudflare bot management
    Great article that digs into figuring out how cloudflare attempts to protect against bots, and how to navigate around those protections
  5. 5. So some companies prefer to use less popular languages…
    Interesting article that's on a career site: Many large financial institutions like to use either their own, or public but less popular languages? GS: Slang MS: A+ Bridgewater supossedly has their own thing Jane Street: OCAML unexpected, but interesting...
Director of Offensive Security & Research at Trimarc Security, Founder & CEO at Dark Element

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