SEI CERT C Coding Standard

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changes.mady.by.user Geoff Clare

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changes.mady.by.user Geoff Clare

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Comment: the wiki software did something weird to the strike-out in the 2nd table; I think I've put it back the way it was

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Description

Code

EUID

RUID

SSUID

program startup

 

0

user

0

temporary drop

seteuid(getuid())

user

user

0

restore

}}{{{}seteuid(0)

user

user

0

permanent drop

setuid(getuid())

user

user

0

restore (attacker)

setuid(0)

0

0

0

...