Assume that the following C subroutine is built using gcc wi…
Assume that the following C subroutine is built using gcc with -m32 -O0 in the X86 seed-ubuntu-20.04. During the execution of the procedure “bof”, the effective memory address of the incoming argument “str” will be _________. void bof(char *str) { char buffer[24]; strcpy(buffer,str); return; }
Read DetailsConsider all the variables declared in the C source of the p…
Consider all the variables declared in the C source of the program A in the following figure. Select two answers that correctly describe which segments of the process address space these variables will be allocated during execution.
Read DetailsWhen a parent Set-UID process (effective user ID is root, an…
When a parent Set-UID process (effective user ID is root, and the real user ID is bob) creates a child process using fork(), the standard input, output, and error devices of the parent will be inherited by the child. If the child process drops its root privilege, it still retains the access right to these devices. This seems to be a capability leaking, similar to the capability-leaking case covered in this chapter. Can this pose any danger?
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