ISC StormCast for Monday, March 28th, 2022

XLSB Files Because Binary is Stealthier Than XML
https://isc.sans.edu/forums/diary/XLSB+Files+Because+Binary+is+Stealthier+Than+XML/28476/
Dirty Pipe Container Escape PoC
https://www.datadoghq.com/blog/engineering/dirty-pipe-container-escape-poc/
PHP filter_var Shenanigans
https://pwning.systems/posts/php_filter_var_shenanigans/
OpenBSD slaacd vuln
https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html
Google Chrome Update
https://chromereleases.googleblog.com/2022/03/stable-channel-update-for-desktop_25.html