[TUHS] The evolution of Unix facilities and architecture
dave at horsfall.org
Sat May 13 10:55:34 AEST 2017
On Fri, 12 May 2017, Random832 wrote:
> Ah. There's the other piece. You start the SUID program under the
> debugger, and rather than kicking off the debugger, it simply starts it
> non-suid. *However*, in the presence of shared text (either of the two
> cases being checked for in the other place), you can make changes to the
> text image (e.g. put whatever code you want at the entry point), which
> will be reused the *next* time it is started *without* the debugger.
Cripes! I think you're right... If so, well done!
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."
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