To: bugtraq@securityfocus.com security-announce@lists.securityportal.com announce@lists.caldera.com scoannmod@xenitec.on.ca
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Caldera International, Inc. Security Advisory
Subject: Open Unix, UnixWare 7: dtprintinfo environment buffer overflow
Advisory number: CSSA-2001-SCO.22
Issue date: 2001 October 1
Cross reference:
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1. Problem Description
Very long environment variables will cause the dtprintinfo
command to overflow a buffer. This could be used by an
unauthorized user to gain privilege.
2. Vulnerable Versions
Operating System Version Affected Files
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UnixWare 7 All /usr/dt/bin/dtprintinfo
Open Unix 8.0.0 /usr/dt/bin/dtprintinfo
3. Workaround
None.
4. UnixWare 7
4.1 Location of Fixed Binaries
ftp://stage.caldera.com/pub/security/openunix/CSSA-2001-SCO.22/
4.2 Verification
md5 checksums:
e726067eba0107ac5efd8c1fdb141b0d dtprintinfo.Z
md5 is available for download from
ftp://stage.caldera.com/pub/security/tools/
4.3 Installing Fixed Binaries
Upgrade the affected binaries with the following commands:
# mv /usr/dt/bin/dtprintinfo /usr/dt/bin/dtprintinfo-
# uncompress /tmp/dtprintinfo.Z
# cp dtprintinfo /usr/dt/bin
# cd /usr/dt/bin
# chown root dtprintinfo
# chgrp bin dtprintinfo
# chmod 4555 dtprintinfo
5. References
This and other advisories are located at
http://stage.caldera.com/support/security
This advisory addresses Caldera Security internal incident
sr850737.
6. 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.
7. Acknowledgements
Caldera International wishes to thank KF <dotslash@snosoft.com>
for discovering and reporting this problem.
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