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Home » Hacking News » CSSA-2002-SCO.36-command line buffer overflow in ndcfg

CSSA-2002-SCO.36-command line buffer overflow in ndcfg

by Nikola Strahija on August 22nd, 2002 The ndcfg command raises its privileges with the security subsystem (as opposed to being setuid), and has a buffer overlow in its command line processing. This could allow a malicious user to run code of their choice with raised privileges.


2. Vulnerable Supported Versions

System Binaries
----------------------------------------------------------------------
UnixWare 7.1.1 /usr/lib/netcfg/bin/ndcfg
Open UNIX 8.0.0 /usr/lib/netcfg/bin/ndcfg


3. Solution

The proper solution is to install the latest packages.


4. UnixWare 7.1.1

4.1 Location of Fixed Binaries

ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.36


4.2 Verification

MD5 (erg712108.pkg.Z) = f8530ac78e14157fd134fd1f0846ba3c

md5 is available for download from
ftp://ftp.caldera.com/pub/security/tools


4.3 Installing Fixed Binaries

Upgrade the affected binaries with the following commands:

Download erg712108.pkg.Z to the /var/spool/pkg directory

# uncompress /var/spool/pkg/erg712108.pkg.Z
# pkgadd -d /var/spool/pkg/erg712108.pkg


5. Open UNIX 8.0.0

5.1 Location of Fixed Binaries

ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.36


5.2 Verification

MD5 (erg712108.pkg.Z) = f8530ac78e14157fd134fd1f0846ba3c

md5 is available for download from
ftp://ftp.caldera.com/pub/security/tools


5.3 Installing Fixed Binaries

Upgrade the affected binaries with the following commands:

Download erg712108.pkg.Z to the /var/spool/pkg directory

# uncompress /var/spool/pkg/erg712108.pkg.Z
# pkgadd -d /var/spool/pkg/erg712108.pkg


6. References

Specific references for this advisory:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0981

Caldera security resources:
http://www.caldera.com/support/security/index.html

This security fix closes Caldera incidents sr868384, fz525920,
erg712108.


7. Disclaimer

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


8. Acknowledgements

This issue was discovered during an internal security audit.

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