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SA-1997.22.txt

SA-1997.22.txt
Posted Sep 23, 1999

SA-1997.22.txt

SHA-256 | d9bd900c53b64e7b6ffeb0fd4db251274fa40e61bfa058b3564119d7aab43417

SA-1997.22.txt

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-----BEGIN PGP SIGNED MESSAGE-----

Subject: Caldera Security Advisory SA-1997.22: Vulnerability in mgetty

Caldera Security Advisory SA-1997.22

RPM build date: 26-Jul-1997
Advisory issue date: 29-Sep-1997

Topic: Vulnerability in mgetty package

I. Problem Description

A security hole was found in the auxiliary fax scripts "faxq" and
"faxrunq" in the mgetty+sendfax package. It has been in there since
the first day those scripts were written. Due to improper quoting in
these shell scripts, it's possible to execute code with a foreign user
id, and get root access to the machine.

II. Impact
Normal users have the ability to gain root access on a local host.

The mgetty package distributed on the following OpenLinux
releases are vulnerable:

Lite 1.1
Base 1.1
Standard 1.1

This new mgetty has been found to function properly on all of
the distributions shown above.

III. Solution

Install the new mgetty-1.1.1_Jan28-2 package, as described below.
Both binary and source packages are located on Caldera's FTP server
(ftp.caldera.com):

ftp://ftp.caldera.com/pub/openlinux/updates/1.1/current/

The md5sums for these packages are:
34be17c12fca2ffc7ba4f4808627c4cd SRPMS/mgetty-1.1.1_Jan28-2.src.rpm
38f991c8432a0e1cb376cdd87656e73d RPMS/mgetty-1.1.1_Jan28-2.i386.rpm

To install the update use the following command:
rpm -U RPMS/mgetty-1.1.1_Jan28-2.i386.rpm

IV. References / Credits

Fixes a security problem reported on the "BugTraq" email list
disclosed 24-July-1997 by Gert Doering <gert@GREENIE.MUC.DE>.
Message-Id: <m0wrUPl-0000IxC@greenie.muc.de>.

Credits for finding the problem go to Herbert Thielen
(thielen@lpr.e-technik.tu-muenchen.de).

The mgetty web site is:

http://www.leo.org/~doering/mgetty/

This and other Caldera security resources are located at:

http://www.caldera.com/tech-ref/security/

V. PGP Signature

This message was signed with the PGP key for <security@caldera.com>.

This key can be obtained from:
ftp://ftp.caldera.com/pub/pgp-keys/

Or on an OpenLinux CDROM under:
/OpenLinux/pgp-keys/

$Id: SA-1997.22,v 1.1 1997/09/29 20:44:54 ron Exp $

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