To: bugtraqat_private announceat_private scoannmodat_private ______________________________________________________________________________ SCO Security Advisory Subject: UnixWare 7.1.1 Open UNIX 8.0.0 UnixWare 7.1.3 : remote buffer overflow in sendmail (CERT CA-2003-07) Advisory number: CSSA-2003-SCO.5 Issue date: 2003 March 07 Cross reference: ______________________________________________________________________________ 1. Problem Description From CA-2003-07: Researchers at Internet Security Systems (ISS) have discovered a remotely exploitable vulnerability in sendmail. This vulnerability could allow an intruder to gain control of a vulnerable sendmail server. 2. Vulnerable Supported Versions System Binaries ---------------------------------------------------------------------- UnixWare 7.1.1 /usr/lib/sendmail Open UNIX 8.0.0 /usr/lib/sendmail UnixWare 7.1.3 /usr/lib/sendmail 3. Solution The proper solution is to install the latest packages. 4. UnixWare 7.1.1 4.1 Location of Fixed Binaries ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.5 4.2 Verification MD5 (ptf7130e.pkg.Z) = b1288b52f180c9642e03166d1575de75 md5 is available for download from ftp://ftp.sco.com/pub/security/tools 4.3 Installing Fixed Binaries Upgrade the affected binaries with the following sequence: Download ptf7130e.pkg.Z to the /var/spool/pkg directory # uncompress /var/spool/pkg/ptf7130e.pkg.Z # pkgadd -d /var/spool/pkg/ptf7130e.pkg 5. Open UNIX 8.0.0 5.1 Location of Fixed Binaries ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.5 5.2 Verification MD5 (erg712247.pkg.Z) = d77109c8836142c5327ed1fc5f82e252 md5 is available for download from ftp://ftp.sco.com/pub/security/tools 5.3 Installing Fixed Binaries Upgrade the affected binaries with the following sequence: Download erg712247.pkg.Z to the /var/spool/pkg directory # uncompress /var/spool/pkg/erg712247.pkg.Z # pkgadd -d /var/spool/pkg/erg712247.pkg 6. UnixWare 7.1.3 6.1 Location of Fixed Binaries ftp://ftp.sco.com/pub/updates/UnixWare/CSSA-2003-SCO.5 6.2 Verification MD5 (erg712247.pkg.Z) = d77109c8836142c5327ed1fc5f82e252 md5 is available for download from ftp://ftp.sco.com/pub/security/tools 6.3 Installing Fixed Binaries Upgrade the affected binaries with the following sequence: Download erg712247.pkg.Z to the /var/spool/pkg directory # uncompress /var/spool/pkg/erg712247.pkg.Z # pkgadd -d /var/spool/pkg/erg712247.pkg 7. References Specific references for this advisory: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1337 http://www.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=21950 http://www.cert.org/advisories/CA-2003-07.html http://www.kb.cert.org/vuls/id/398025 http://www.sendmail.org/8.12.8.html SCO security resources: http://www.sco.com/support/security/index.html This security fix closes SCO incidents sr875284, fz527484, erg712247. 8. Disclaimer SCO 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 SCO products. 9. Acknowledgements Internet Security Systems, Inc. discovered and researched this vulnerability. ______________________________________________________________________________
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