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kfencev1.2.c

Posted Aug 26, 2003

Authored by ins1der

Kfence version 1.2 provides kernel protection against basic exploitation techniques, including stack and heap overflows and format string exploits, by patching /dev/kmem and redirecting system_call to test if the eip of the caller is in the wrong memory region.

Changes: Added .bss exec protection, simplified shellcode, added a better struct extraction method, added support for all 2.2.x and 2.4.x kernels.

tags | overflow, kernel

systems | linux

SHA-256 | 86b7ef83422d92d95d9b4292f22b474924bcfbca4cce50f51c33a6f418dbed1c

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