To: bugtraqat_private announceat_private scoannmodat_private full-disclosureat_private ______________________________________________________________________________ Caldera International, Inc. Security Advisory Subject: UnixWare 7.1.1 Open UNIX 8.0.0 : command line buffer overflow in ndcfg Advisory number: CSSA-2002-SCO.36 Issue date: 2002 August 21 Cross reference: ______________________________________________________________________________ 1. Problem Description 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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