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Category:   Application (Generic)  >   gfax Vendors:   gfax.cowlug.org
gfax Unsafe Temporary File Lets Local Users Gain Root Privileges
SecurityTracker Alert ID:  1018335
SecurityTracker URL:  http://securitytracker.com/id/1018335
CVE Reference:   CVE-2007-2839   (Links to External Site)
Date:  Jul 6 2007
Impact:   Modification of system information, Root access via local system

Version(s): 0.4.2, possibly other versions
Description:   A vulnerability was reported in gfax. A local user can obtain root privileges on the target system.

The software writes to the '/tmp/crontab' temporary file in an unsafe manner. A local user can exploit this flaw to append arbitrary lines to '/etc/crontab'.

The flaw resides in 'src/mgetty_setup.c'.

Steve Kemp from the Debian Security Audit project discovered this vulnerability.

[Editor's note: The latest version of the GNOME-2.x port of GFAX does not contain the vulnerable file.]

Impact:   A local user can obtain root privileges on the target system.
Solution:   No solution was available at the time of this entry.
Vendor URL:  gfax.cowlug.org/ (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   None.


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