To: bugtraqat_private announceat_private scoannmodat_private ______________________________________________________________________________ Caldera International, Inc. Security Advisory Subject: UnixWare 7.1.1 Open UNIX 8.0.0 : dtprintinfo buffer overflow with Help search Advisory number: CSSA-2002-SCO.30 Issue date: 2002 June 25 Cross reference: ______________________________________________________________________________ 1. Problem Description The CDE dtprintinfo program is vulnerable to a buffer overflow condition that allows a local attacker to gain root access. The problem occurs due to insufficient bounds checking in the Volume search field from the Help section. An attacker can insert a specially crafted string for the search parameter and gain root privileges. 2. Vulnerable Supported Versions System Binaries ---------------------------------------------------------------------- UnixWare 7.1.1 /usr/dt/lib/libDtHelp.so.1 Open UNIX 8.0.0 /usr/dt/lib/libDtHelp.so.1 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.30 4.2 Verification MD5 (erg712032.pkg.Z) = b654e5f739056ba4a73e07646e88f049 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 erg712032.pkg.Z to the /var/spool/pkg directory # uncompress /var/spool/pkg/erg712032.pkg.Z # pkgadd -d /var/spool/pkg/erg712032.pkg 5. Open UNIX 8.0.0 5.1 Location of Fixed Binaries ftp://ftp.caldera.com/pub/updates/OpenUNIX/CSSA-2002-SCO.30 5.2 Verification MD5 (erg712032.pkg.Z) = b654e5f739056ba4a73e07646e88f049 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 erg712032.pkg.Z to the /var/spool/pkg directory # uncompress /var/spool/pkg/erg712032.pkg.Z # pkgadd -d /var/spool/pkg/erg712032.pkg 6. References Specific references for this advisory: http://www.eSecurityOnline.com/advisories/eSO2406.asp http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0551 Caldera security resources: http://www.caldera.com/support/security/index.html This security fix closes Caldera incidents sr863696, fz520821, erg712032. 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 Kevin Kotas of eSecurityOnline discovered this vulnerability. ______________________________________________________________________________
This archive was generated by hypermail 2b30 : Wed Jun 26 2002 - 18:27:31 PDT