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Old 09-04-2009, 06:16 AM   #1
monsteriname
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Registered: Sep 2009
Distribution: mandy 2010 spring, maggie 3 and 4
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is suid disabled from running all scripts or just from running them as root


Mandriva 2009 spring

is suid disabled from running all home made bash scripts or just from running them as root or:

Who would know for sure.

I googled several combinations of Mandriva Linux how-to suid disabled setUID etc... so far all I found was "many distributions are disabling suid for security reasons" nothing specific.

Thanks,

sorry if wrong forum. If I wind up having to learn about sudoers what forum do you think questions about it should be posted in?
 
Old 09-04-2009, 12:09 PM   #2
ta0kira
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It not so much that it's "disabled", it's that a script is actually interpreted by a binary that isn't setuid. When executing a script, the OS executes the interpreter specified on the first line and assumes it can pass the entire command line as its arguments. The interpreter then opens and executes the script. For a script to actually be setuid, the interpreter would have to be setuid-root, it would have to know to check the flags and ownership of the script, change users to root, and lastly change users to those specified for the script file.
Kevin Barry

Last edited by ta0kira; 09-04-2009 at 12:19 PM.
 
Old 09-05-2009, 02:57 AM   #3
monsteriname
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Registered: Sep 2009
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Thanks Kevin,
Sounds like I may as well resign myself to figuring out sudoers, if what I've been reading jives with what you've said then stuff like pearl still does suid. I don't think I want to mess with that right now.

Have a good one,
 
  


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