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twoneis 2025-02-28 11:52:03 +01:00
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@ -1,14 +1,16 @@
# 02-28 # 02-28
Daily supervisor: Dyon Daily supervisor: Dyon
Goal: Breaking KASLR through TLB-based side channel attack Goal: Breaking KASLR through TLB-based side channel attack
Status: Status: Deciding on which part exactly to choose, hardware access today
Progress: Progress:
- Target platform: i7-8650U Kernel 6.8 - Target: i7-8650U Kernel 6.8
- First idea: Try using CONFIG_STRICT_MODULE_RWX (D1) - First idea: Try using CONFIG_STRICT_MODULE_RWX (D1)
- but: maybe further input needed here which one is desireable target - but: maybe further input needed here which one is desireable target
- strict module rwx => can leak heap (excluding cred and less reliable pipe-buffer) and page tables - strict module rwx => can leak heap (excluding cred and less reliable pipe-buffer) and page tables
- virtual heap => can leak heap (including cred) reliably - virtual heap => can leak heap (including cred) reliably
- Go with heap => cred one of the most interesting
- virtual stack => can leak kernel stack - virtual stack => can leak kernel stack
- Forgot about research proposal, message herbert
# 02-21 # 02-21
Daily supervisor: Dyon Daily supervisor: Dyon