Re: F_SETOWN...

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 25 Nov 1998 20:09:42 +0000 (GMT)


> There exist programs which set UID and EUID, for example SUID perl scripts
> which want to exec SUID programs (such as ssh) as someone else; any SUID
> perl script containing the line "$< = $>;".

The signal restriction allows uid matching - think about hitting ^Z on
"passwd"

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