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Re: COSEINC Linux Advisory #1: Linux Kernel Parent Process Death Signal Vulnerability Aug 14 2007 09:03PM
Wojciech Purczynski (cliph isec pl)

Small correction - I forgot to add setuid(0) ;)

PARENT CHILD
----------------------------------------------------------------
fork()
prctl(PR_SET_PDEATHSIG)
execve("/bin/setuid-binary")
setuid(0)
exit()'ed or killed
child receives NO signal this time

PARENT CHILD
---...

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