Caldera Support Info
2001-Aug-24 19:57 UTC
Security Update [CSSA-2001-032.0] Linux - sendmail instant root exploit
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ Caldera International, Inc. Security Advisory Subject: Linux - sendmail instant root exploit Advisory number: CSSA-2001-032.0 Issue date: 2001, August 24 Cross reference: ______________________________________________________________________________ 1. Problem Description Sendmail contains an input validation error, so local users may be able to write arbitrary data to process memory, possibly allowing the execution of code/commands with elevated privileges. This allows a local attacker to gain access to the root account. 2. Vulnerable Versions System Package ----------------------------------------------------------- OpenLinux 2.3 not vulnerable OpenLinux eServer 2.3.1 not vulnerable and OpenLinux eBuilder OpenLinux eDesktop 2.4 not vulnerable OpenLinux Server 3.1 All packages previous to sendmail-8.11.1-4 OpenLinux Workstation 3.1 All packages previous to sendmail-8.11.1-4 3. Solution Workaround none The proper solution is to upgrade to the latest packages. 4. OpenLinux 2.3 not vulnerable 5. OpenLinux eServer 2.3.1 and OpenLinux eBuilder for ECential 3.0 not vulnerable 6. OpenLinux eDesktop 2.4 not vulnerable 7. OpenLinux 3.1 Server 7.1 Location of Fixed Packages The upgrade packages can be found on Caldera's FTP site at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/RPMS The corresponding source code package can be found at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Server/current/SRPMS 7.2 Verification b4fda9679325022adda547f1b3fae8dc RPMS/sendmail-8.11.1-4.i386.rpm f3eaef00ae6a7cb30635baf6ad13325a RPMS/sendmail-cf-8.11.1-4.i386.rpm 1f17f7fa698748eb5bc6e55951948451 RPMS/sendmail-doc-8.11.1-4.i386.rpm c3f6af83c406174b325aa28af45c51ae SRPMS/sendmail-8.11.1-4.src.rpm 7.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh sendmail-8.11.1-4.i386.rpm \ sendmail-cf-8.11.1-4.i386.rpm \ sendmail-doc-8.11.1-4.i386.rpm 8. OpenLinux 3.1 Workstation 8.1 Location of Fixed Packages The upgrade packages can be found on Caldera's FTP site at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/RPMS The corresponding source code package can be found at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/Workstation/current/SRPMS 8.2 Verification b4fda9679325022adda547f1b3fae8dc RPMS/sendmail-8.11.1-4.i386.rpm f3eaef00ae6a7cb30635baf6ad13325a RPMS/sendmail-cf-8.11.1-4.i386.rpm 1f17f7fa698748eb5bc6e55951948451 RPMS/sendmail-doc-8.11.1-4.i386.rpm c3f6af83c406174b325aa28af45c51ae SRPMS/sendmail-8.11.1-4.src.rpm 8.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh sendmail-8.11.1-4.i386.rpm \ sendmail-cf-8.11.1-4.i386.rpm \ sendmail-doc-8.11.1-4.i386.rpm 9. References This and other Caldera security resources are located at: http://www.caldera.com/support/security/index.html This security fix closes Caldera's internal Problem Report 10420. 10. Acknowledgements Caldera International wishes to thank Cade Cairns of SecurityFocus for spotting and reporting this bug. 11. 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 OpenLinux. ______________________________________________________________________________ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE7hkR118sy83A/qfwRAhnIAKCIreoX1Q9YGckNoe+8OIV+nMQ7EgCgrTUb IVWxs0rkZez6V45KDWZ27A8=4/NJ -----END PGP SIGNATURE-----
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