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> Stop Compilation/execution Of Users Application
Termina
post Jun 11 2004, 09:47 PM
Post #1


RMS is my Hero
******

Group: Support Specialist
Posts: 862
Joined: 18-February 04
From: Wisconsin
Member No.: 2,404



There's a new exploit that a normal use can use to crash the kernel, and lock up the system.

It's a small C/C++ program, so basically you can just copy the code to clipboard, copy it into a file, and gcc -o crash crash.txt to get it working

>_<

So basically I want to stop users from compiling and running applications they upload. =D

Thanks!


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*Points finger at the author above him* They're a witch! Burn them!
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Vist my website!
Join me in IRC! Server: st0rage.org Channel: #UnhandledExceptions
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hughesjr
post Jun 11 2004, 10:28 PM
Post #2


Its GNU/Linuxhelp.net
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Group: Admin
Posts: 3,433
Joined: 25-July 03
From: Corpus Chrsiti, TX, USA
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make gcc only usable by root and a group by using chown ... then they would have to upload a new gcc to do that (which they could do if they wanted to).

I don't allow anyone access to anything on my server except the webpages...


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Johnny Hughes
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Hemant
post Jun 12 2004, 01:13 AM
Post #3


RMS is my Hero
******

Group: Support Specialist
Posts: 782
Joined: 6-October 02
From: Trichy,INDIA
Member No.: 29



remove the executable flag from all the files uploaded by users.


--------------------
Hemant Kumar
user posted image
hemant@linuxhelp.net
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