-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ______________________________________________________________________________ Caldera International, Inc. Security Advisory Subject: Linux - Remote exploit against mutt Advisory number: CSSA-2002-002.0 Issue date: 2002, January 25 Cross reference: ______________________________________________________________________________ 1. Problem Description The mail user agent mutt is susceptible to a remote attack. By sending a message with an overlong email address, the attacker is able to overwrite a single memory location with a zero byte, which can be exploited to execute arbitary code within the account of the email recipient. 2. Vulnerable Versions System Package ----------------------------------------------------------- OpenLinux 2.3 All packages previous to mutt-1.2.5-12OL OpenLinux eServer 2.3.1 All packages previous to and OpenLinux eBuilder mutt-1.2.5-12 OpenLinux eDesktop 2.4 All packages previous to mutt-1.2.5-12 OpenLinux Server 3.1 All packages previous to mutt-1.2.5-12 OpenLinux Workstation 3.1 All packages previous to mutt-1.2.5-12 OpenLinux 3.1 IA64 All packages previous to mutt-1.2.5-12 OpenLinux Server 3.1.1 All packages previous to mutt-1.2.5-12 OpenLinux Workstation All packages previous to 3.1.1 mutt-1.2.5-12 3. Solution Workaround none The proper solution is to upgrade to the latest packages. 4. OpenLinux 2.3 4.1 Location of Fixed Packages The upgrade packages can be found on Caldera's FTP site at: ftp://ftp.caldera.com/pub/updates/OpenLinux/2.3/current/RPMS The corresponding source code package can be found at: ftp://ftp.caldera.com/pub/updates/OpenLinux/2.3/current/SRPMS 4.2 Verification 700b96d068e212e9f68bff794b60acc1 RPMS/mutt-1.2.5-12OL.i386.rpm a4d1e0af855f96222d0ffbb5ca459c3f SRPMS/mutt-1.2.5-12OL.src.rpm 4.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh mutt-1.2.5-12OL.i386.rpm 5. OpenLinux eServer 2.3.1 and OpenLinux eBuilder for ECential 3.0 5.1 Location of Fixed Packages The upgrade packages can be found on Caldera's FTP site at: ftp://ftp.caldera.com/pub/updates/eServer/2.3/current/RPMS The corresponding source code package can be found at: ftp://ftp.caldera.com/pub/updates/eServer/2.3/current/SRPMS 5.2 Verification fe2f279aaeb31c46b4ae8d61545d5bbc RPMS/mutt-1.2.5-12.i386.rpm 00faa11c92b970c6564ace29c9680258 SRPMS/mutt-1.2.5-12.src.rpm 5.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh mutt-1.2.5-12.i386.rpm 6. OpenLinux eDesktop 2.4 6.1 Location of Fixed Packages The upgrade packages can be found on Caldera's FTP site at: ftp://ftp.caldera.com/pub/updates/eDesktop/2.4/current/RPMS The corresponding source code package can be found at: ftp://ftp.caldera.com/pub/updates/eDesktop/2.4/current/SRPMS 6.2 Verification a3996a484ac426c8200fcd7b8c1af39b RPMS/mutt-1.2.5-12.i386.rpm 00faa11c92b970c6564ace29c9680258 SRPMS/mutt-1.2.5-12.src.rpm 6.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh mutt-1.2.5-12.i386.rpm 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 7997da37ee8266a528111c32cc47a7d9 RPMS/mutt-1.2.5-12.i386.rpm 00faa11c92b970c6564ace29c9680258 SRPMS/mutt-1.2.5-12.src.rpm 7.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh mutt-1.2.5-12.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 7997da37ee8266a528111c32cc47a7d9 RPMS/mutt-1.2.5-12.i386.rpm 00faa11c92b970c6564ace29c9680258 SRPMS/mutt-1.2.5-12.src.rpm 8.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh mutt-1.2.5-12.i386.rpm 9. OpenLinux 3.1 IA64 9.1 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/IA64/current/RPMS The corresponding source code package can be found at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1/IA64/current/SRPMS 9.2 Verification 214b0654c02f9a537bd1647c6a193a71 RPMS/mutt-1.2.5-12.ia64.rpm 00faa11c92b970c6564ace29c9680258 SRPMS/mutt-1.2.5-12.src.rpm 9.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh mutt-1.2.5-12.ia64.rpm 10. OpenLinux 3.1.1 Server 10.1 Location of Fixed Packages The upgrade packages can be found on Caldera's FTP site at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/RPMS The corresponding source code package can be found at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Server/current/SRPMS 10.2 Verification 5ad86d1e449396fb3f765c79d307f1f9 RPMS/mutt-1.2.5-12.i386.rpm 00faa11c92b970c6564ace29c9680258 SRPMS/mutt-1.2.5-12.src.rpm 10.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh mutt-1.2.5-12.i386.rpm 11. OpenLinux 3.1.1 Workstation 11.1 Location of Fixed Packages The upgrade packages can be found on Caldera's FTP site at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/RPMS The corresponding source code package can be found at: ftp://ftp.caldera.com/pub/updates/OpenLinux/3.1.1/Workstation/current/SRPMS 11.2 Verification 5ad86d1e449396fb3f765c79d307f1f9 RPMS/mutt-1.2.5-12.i386.rpm 00faa11c92b970c6564ace29c9680258 SRPMS/mutt-1.2.5-12.src.rpm 11.3 Installing Fixed Packages Upgrade the affected packages with the following commands: rpm -Fvh mutt-1.2.5-12.i386.rpm 12. 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 11295. 13. 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. 14. Acknowledgements Caldera International wishes to thank Thomas Roessler for his cooperation, and providing a fix. ______________________________________________________________________________ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE8X8GZ18sy83A/qfwRAl9zAKCqbnF3E55MpKCC10e/EBZ9g5L1nACgqwcw uunVcXEUJXbZQ6PrH26VECE= =aK2d -----END PGP SIGNATURE-----