[UNIX] Century Software's TERM Emu Buffer Overflows

From: support@securiteam.com
Date: 02/25/02 

From: support@securiteam.com
To: list@securiteam.com
Date: Mon, 25 Feb 2002 11:32:30 +0100 (CET)

The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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  Century Software's TERM Emu Buffer Overflows
------------------------------------------------------------------------

SUMMARY

 <http://te.censoft.com/products/term_unix.php> Term is a complete
software solution for communication between UNIX and Linux hosts. It
allows terminal or workstation users to access nearly any UNIX or Linux
system over virtually any connection - asynchronous, modem, LAN, intranet,
or the internet. A security vulnerability in the product allows local
attacker to exploit a buffer overflow to cause the program to execute
arbitrary code. Because the binaries are setuid root, elevated privileges
can be achieved.

DETAILS

Example:
$ /home/elguapo/Censoft/callin tty`perl -e 'print "A" x 9000'`
Segmentation fault (core dumped)

# /home/elguapo/Censoft/callout tty`perl -e 'print "B" x 9000'`
Segmentation fault (core dumped)

ADDITIONAL INFORMATION

The information has been provided by <mailto:dotslash@snosoft.com> KF.

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