Full Segment Notes
This week in the AppSec News: A great escape isn't always as great as it sounds, Solana cryptocurrency logic isn't always as great as intended, some people's idea of "peace" isn't that great at all, and some great security suggestions for package maintainers.
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List of Articles
John Kinsella
- Solana vulnerability ELI5Often with crypto currencies, things are so complex that it can be difficult to unravel exactly what a vulnerability is, and how it's exploited - especially to those of us who are not really into crypto. Here's a simple Reddit post that plainly describes a recently vuln on Solana
- Openssl bug could result in client DOSA bug in function for doing modular square roots in openssl could result in a client-side DOS for elliptic curve public keys crafted with invalid parameters. Of note, this function is used to provide functionality for supporting elliptic curve keys of arbitrary length.
- Security for package maintainersWe talk about open source supply chain security, but here's a post talking through what that means to a maintainer of python packages
- How to burp goodAt least for me, when I use Burp Suite I'm almost always just using a tiny fraction of it's capabilities. While several years old, here's a post with some good suggestions on how to get more out of Burp. (h/t tl;drsec)
- Peacenotwar module brings not-peace to vue communityA developer decided to protest the war in Ukraine by modifying a npm package he maintains to target systems in Russia that attempt to use the package. What can node do about this? Should maintainers lose all privileges when they pull a stunt like this?
- Cr8escape vulnerability in cri-o comes from new functionalityIn version 1.19 of cri-o - one of the container runtimes used with kubernetes - functionality was added to allow a user to pass sysctl settings when creating a container. With this feature, any sysctl options were taken without filtering or validation. As a POC, the researchers show modifying the kernel configuration on what to do during a core dump (run malicious program).
