To: bugtraq@securityfocus.com announce@lists.caldera.com scoannmod@xenitec.on.ca ___________________________________________________________________________ Caldera International, Inc. Security Advisory Subject: Open UNIX, UnixWare 7: webtop setuid script vulnerability Advisory number: CSSA-2002-SCO.6 Issue date: 2002 February 21 Cross reference: ___________________________________________________________________________ 1. Problem Description The setuid scripts in the webtop product may be used to gain root privileges. 2. Vulnerable Supported Versions Operating System Version Affected Files ------------------------------------------------------------------ UnixWare 7 7.1.1 /opt/webtop/bin/i3un0212/cgi-bin/admin/scoadminreg.cgi /opt/webtop/bin/i3un0212/cgi-bin/admin/service_action.cgi Open UNIX 8.0.0 /opt/webtop/bin/i3un0212/cgi-bin/admin/scoadminreg.cgi /opt/webtop/bin/i3un0212/cgi-bin/admin/service_action.cgi 3. Workaround If the webtop functionality is not needed, remove the setuid permissions from the scripts: # chmod -s /opt/webtop/bin/i3un0212/cgi-bin/admin/scoadminreg.cgi # chmod -s /opt/webtop/bin/i3un0212/cgi-bin/admin/service_action.cgi 4. UnixWare 7, Open UNIX 8 4.1 Location of Fixed Binaries ftp://stage.caldera.com/pub/security/openunix/CSSA-2002-SCO.6/ 4.2 Verification MD5 (erg711951b.Z) = 53a0eb6dfe4bc1b1d8361ef1c5b488a6 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: Download erg711951b.Z to the /tmp directory # uncompress /tmp/erg711951b.Z # pkgadd -d /tmp/erg711951b 5. References This and other advisories are located at http://stage.caldera.com/support/security This advisory addresses Caldera Security internal incidents sr859215, fz519942, erg711951. 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 would like to thank jggm JeGalGhongMyeung <jggm@mail.com> for the discovery and research of this vulnerability. ___________________________________________________________________________
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