[21832] in bugtraq

home help back first fref pref prev next nref lref last post

Security Update: [CSSA-2001-SCO.7] OpenUnix, UnixWare: su buffer overflow

daemon@ATHENA.MIT.EDU (sco-security@caldera.com)
Tue Jul 24 18:32:33 2001

Message-Id: <200107242212.f6OMC0O00613@ergo.uss.ca.caldera.com>
To: bugtraq@securityfocus.com, security-announce@lists.securityportal.com,
        an=@caldera.com
From: sco-security@caldera.com
Date: Tue, 24 Jul 2001 15:12:00 -0700
Mime-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha1;
	protocol="application/pgp-signature"; boundary="A6N2fC+uXW/VQSAv"
Content-Disposition: inline

--A6N2fC+uXW/VQSAv
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

To: bugtraq@securityfocus.com security-announce@lists.securityportal.com an=
nounce@lists.caldera.com

___________________________________________________________________________

	    Caldera International, Inc. Security Advisory

Subject:		OpenUnix, UnixWare: su buffer overflow
Advisory number: 	CSSA-2001-SCO.7
Issue date: 		2001 July 24
Cross reference:
___________________________________________________________________________



1. Problem Description
=09
	Long values of the TERM variable can cause the su command to
	have a memory fault. This might be exploited by an
	unauthorized user to gain privileges.


2. Vulnerable Versions

	Operating System	Version		Affected Files
	------------------------------------------------------------------
	UnixWare 7		All		/usr/bin/su
						/sbin/su
	OpenUnix 8		8.0.0		/usr/bin/su
						/sbin/su


3. Workaround

	None.


4. UnixWare 7

  4.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/security/unixware/sr849768/


  4.2 Verification

	md5 checksums:
=09
	1381b35641cce39556d9d8365a170821	erg711787a.Z


	md5 is available for download from

		ftp://ftp.sco.com/pub/security/tools/


  4.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following commands:

	# uncompress /tmp/erg711787a.Z
	# pkgadd -d /tmp/erg711787a


5. OpenUnix 8

  4.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/security/openunix/sr849768/


  4.2 Verification

	md5 checksums:
=09
	1381b35641cce39556d9d8365a170821	erg711787a.Z


	md5 is available for download from

		ftp://ftp.sco.com/pub/security/tools/


  4.3 Installing Fixed Binaries

	Upgrade the affected binaries with the following commands:


	# uncompress /tmp/erg711787a.Z
	# pkgadd -d /tmp/erg711787a


6. References

	http://www.calderasystems.com/support/security/index.html


7. Disclaimer

	Caldera International, Inc. is not responsible for the misuse
	of any of the information we provide on our website and/or
	through our security advisories. Our advisories are a service
	to our customers intended to promote secure installation and
	use of Caldera International products.


8.Acknowledgements

	Caldera International wishes to thank KF<dotslash@snosoft.com>
	for reporting the problem.
	=20
___________________________________________________________________________

--A6N2fC+uXW/VQSAv
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.6 (SCO_SV)
Comment: For info see http://www.gnupg.org

iEYEARECAAYFAjtd8rAACgkQaqoBO7ipriGv4ACfVYcqEDykZJDxzXf4cPNgcFWL
/ncAoKu7B3YFOBoj8tQe+Yp5h5c8XxHF
=RL+k
-----END PGP SIGNATURE-----

--A6N2fC+uXW/VQSAv--

home help back first fref pref prev next nref lref last post