BlackHat USA, Pre-Auth RCEs, and JSON Smuggling

Mar 2, 2021

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This week we talk a bit about newly released Black Hat 2020 and NDSS 2021 presentation videos, before jumping into several pre-auth RCEs, and some interesting exploitation research to bring a PAC enforced Shadow Stack to ARM and an examination of JSON parser interoperability issues.

[00:00:41] Microsoft open sources CodeQL queries used to hunt for Solorigate activity

https://www.microsoft.com/security/blog/2021/02/25/microsoft-open-sources-codeql-queries-used-to-hunt-for-solorigate-activity/

https://github.com/github/codeql/pull/5083/commits/5e1e27c2b6b3429623b66531d4fe0b090e70638a

[00:04:16] Black Hat USA 2020

https://www.youtube.com/playlist?list=PLH15HpR5qRsXE_4kOSy_SXwFkFQre4AV_

https://www.youtube.com/c/NDSSSymposium/search?query=NDSS+2021

[00:13:56] Cookie poisoning leads to DOS and Privacy Violation

https://hackerone.com/reports/1067809

[00:16:37] Unauthorized RCE in VMware vCenter

https://swarm.ptsecurity.com/unauth-rce-vmware/

[00:20:01] A Fifteen-Year-Old RCE Bug Returns in ISC BIND Server [CVE-2020-8625]

https://www.thezdi.com/blog/2021/2/24/cve-2020-8625-a-fifteen-year-old-rce-bug-returns-in-isc-bind-server

[00:25:42] Arbitrary File Write on packagecontrol.io (Sublime Text)

https://bugs.chromium.org/p/project-zero/issues/detail?id=2163

[00:30:31] [Uber] PreAuth RCE on Palo Alto GlobalProtect

https://hackerone.com/reports/540242

http://blog.orange.tw/2019/07/attacking-ssl-vpn-part-1-preauth-rce-on-palo-alto.html

[00:35:26] The little bug that couldn't: Securing OpenSSL

https://github.blog/2021-02-25-the-little-bug-that-couldnt-securing-openssl/

[00:41:49] PACStack: an Authenticated Call Stack

https://www.usenix.org/conference/usenixsecurity21/presentation/liljestrand

[00:56:29] An Exploration of JSON Interoperability Vulnerabilities

https://labs.bishopfox.com/tech-blog/an-exploration-of-json-interoperability-vulnerabilities

[01:03:59] Top 10 web hacking techniques of 2020

https://portswigger.net/research/top-10-web-hacking-techniques-of-2020

[01:05:50] OST 2.0 Beta Spots Open

https://twitter.com/XenoKovah/status/1366224804639031299

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