HACK THE BOX NeuroSync | NeuroSync™ is a leading suite of products focusing on developing cutting edge medical BCI devices, designed by the Korosaki Coorporaton
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Document details
- Pages
- 29
- File size
- 1.66 MB
- Format
- Digital PDF
- Course
- Programming
- Category
- PROJECT REPORT
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About this ebook
NeuroSync
25th March 2025
Difficulty: Hard
Classification: Official
Synopsis
Next.JS authentication bypass (CVE-2025-29927) => Curl SSRF => LFI with filter bypass =>
Leakage of secret => Redis injection => Issuing of arbitrary commands via crafted signature
=> RCE
Description
NeuroSync™ is a leading suite of products focusing on developing cutting edge medical BCI
devices, designed by the Korosaki Coorporaton. They recently fell victim to an APT group
which exploited an N-day vulnerability on their infrastructure and was able to hijack a big
number of online devices. The admins were locked out of their systems and your task is to
discover and use the same techniques the hackers used in order to recover the accessibility
of the control panel.
Skills Required
Understanding of NodeJS and Golang
Understanding of Redis
Intermediate knowledge of web vulnerabilities
Skills Learned
Exploiting an authentication bypass N-day in Next.JS
Abusing SSRF
Abusing LFI via filter bypass
Abusing curl's gopher protocol to send arbitrary commands to redis
Crafting fake signatures using leaked secrets
Issuing arbitrary commands to cause RCE on distributed devices
File included
NeuroSync.pdf.pdf
1.66 MB