ํŒŸ์บ์ŠคํŠธ

Ingress Nightmare: How a Single Request Could Take Over Your K8s Cluster

๐ŸŽ™๏ธ All you need to know on our latest discovery #IngressNightmare ๐Ÿšจ

In this episode of Crying Out Cloud, Amitai Cohen & Eden Koby Naftali are joined by Nir Ohfeld โ€” Head of Vulnerability Research at Wiz.

Nir and his team have uncovered some of the most impactful vulnerabilities affecting cloud and SaaS applications. In this episode, he's diving into the latest discovery, a critical vulnerability in Ingress-NGINX:

โ€ข How the team uncovered a critical unauthenticated RCE in NGINX Ingress Controller โ€ข Why Kubernetes admission controllers might be the next big attack surface โ€ข The wild journey of hunting vulnerabilities in the cloud

Crying Out Cloud๋Š” ๋‰ด์Šค๋ ˆํ„ฐ์ด๊ธฐ๋„ ํ•ฉ๋‹ˆ๋‹ค!

์•ˆ์ „ ๋ฐ ์ •๋ณด ์œ ์ง€: ์ตœ์‹  ํด๋ผ์šฐ๋“œ ๋ณด์•ˆ ๋‰ด์Šค, ์‹ค์ œ ๊ณต๊ฒฉ ์ธ์‚ฌ์ดํŠธ ๋ฐ ์ „๋ฌธ๊ฐ€ ์ง€์นจ์„ ๋ฐ›์•„ ํ™˜๊ฒฝ์„ ๋ณดํ˜ธํ•˜์‹ญ์‹œ์˜ค.

  • ๊ฒŒ์ž„์˜ ํŒ๋„๋ฅผ ๋ฐ”๊พธ๋Š” ๋‰ด์Šค

    ์—…๊ณ„๋ฅผ ๋’คํ”๋“ค๊ณ  ์žˆ๊ณ  ์—ฌ๋Ÿฌ๋ถ„์˜ ๊ด€์‹ฌ์ด ํ•„์š”ํ•œ ์ตœ์‹  ํด๋ผ์šฐ๋“œ ๋ณด์•ˆ ์ทจ์•ฝ์„ฑ๊ณผ ํ˜์‹ ์— ๋Œ€ํ•œ ์š”์•ฝ์ž…๋‹ˆ๋‹ค.

  • ๊ณ ์œ ํ•œ Wiz ์ธ์‚ฌ์ดํŠธ

    ์—ฐ๊ตฌ ๋ฐ์ดํ„ฐ ๋‚ด๋ถ€ ์‚ดํŽด๋ณด๊ธฐ - ์‹ค์ œ ํด๋ผ์šฐ๋“œ ํ™˜๊ฒฝ์—์„œ ํƒ์ง€ํ•œ ์‹ค์ œ ๊ณต๊ฒฉ ๊ฒฝ๋กœ์˜ ํ†ต๊ณ„๋ฅผ ๊ธฐ๋ฐ˜์œผ๋กœ ํ•ฉ๋‹ˆ๋‹ค.

  • ์‹ค์ „ ํ…Œ์ŠคํŠธ๋ฅผ ๊ฑฐ์นœ ์กฐ์–ธ

    ํšŒ์‚ฌ์—์„œ ๋ฐ์ดํ„ฐ ์นจํ•ด๋ฅผ ๋ฐฉ์ง€ํ•˜๋Š” ๋ฐฉ๋ฒ•๊ณผ ์ „๋ฐ˜์ ์ธ ํด๋ผ์šฐ๋“œ ๋ณด์•ˆ ์ „๋žต์„ ๊ฐœ์„ ํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•œ ์œ„ํ˜‘ ์—ฐ๊ตฌ ํŒ€์˜ ํŒ์ž…๋‹ˆ๋‹ค.

ํด๋ผ์šฐ๋“œ ๋ณด์•ˆ์˜ ์ตœ์‹  ์—…๋ฐ์ดํŠธ๋ฅผ ๋ฐ›์€ ํŽธ์ง€ํ•จ์œผ๋กœ ์ง์ ‘ ๋ฐ›์œผ๋ ค๋ฉด ๋“ฑ๋กํ•˜์‹ญ์‹œ์˜ค.

Wiz๊ฐ€ ๊ท€ํ•˜์˜ ๊ฐœ์ธ ๋ฐ์ดํ„ฐ๋ฅผ ์ฒ˜๋ฆฌํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•œ ์ž์„ธํ•œ ๋‚ด์šฉ์€ ๋‹ค์Œ์„ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค. ๊ฐœ์ธ์ •๋ณด์ฒ˜๋ฆฌ๋ฐฉ์นจ.