-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ________________________________________________________________________
Mandrake Linux Security Update Advisory ________________________________________________________________________ Package name: krb5 Advisory ID: MDKSA-2003:043 Date: April 1st, 2003 Affected versions: 8.2, 9.0, 9.1, Corporate Server 2.1, Multi Network Firewall 8.2 ________________________________________________________________________ Problem Description: Multiple vulnerabilties have been found in the Kerberos network authentication system. The MIT Kerberos team have released an advisory detailing these vulnerabilties, a description of which follows. An integer signedness error in the ASN.1 decoder before version 1.2.5 allows remote attackers to cause a crash of the server via a large unsigned data element length, which is later used as a negative value (CAN-2002-0036). Mandrake Linux 9.0+ is not affected by this problem. Vulnerabilties have been found in the RPC library used by the kadmin service. A faulty length check in the RPC library exposes kadmind to an integer overflow which can be used to crash kadmind (CAN-2003-0028). The KDC (Key Distribution Center) before version 1.2.5 allows remote, authenticated attackers to cause a crash on KDCs within the same realm using a certain protocol that causes a null dereference (CAN-2003-0058). Mandrake Linux 9.0+ is not affected by this problem. Users from one realm can impersonate users in other realms that have the same inter-realm keys due to a vulnerability in Kerberos 1.2.3 and earlier (CAN-2003-0059). Mandrake Linux 9.0+ is not affected by this problem. The KDC allows remote, authenticated users to cause a crash on KDCs within the same realm using a certain protocol request that causes an out-of-bounds read of an array (CAN-2003-0072). The KDC allows remote, authenticated users to cause a crash on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (CAN-2003-0082). Vulnerabilities have been discovered in the Kerberos IV authentication protocol which allow an attacker with knowledge of a cross-realm key, which is shared in another realm, to impersonate a principle in that realm to any service in that realm. This vulnerability can only be closed by disabling cross-realm authentication in Kerberos IV (CAN-2003-0138). Vulnerabilities have been discovered in the support for triple-DES keys in the Kerberos IV authentication protocol which is included in MIT Kerberos (CAN-2003-0139). MandrakeSoft encourages all users to upgrade to these updated packages immediately which contain patches to correct all of the previously noted vulnerabilities. These packages also disable Kerberos IV cross-realm authentication by default. ________________________________________________________________________ References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0036 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0028 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0058 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0059 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0072 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0082 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0138 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0139 http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-003-xdr.txt http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-004-krb4.txt http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt ________________________________________________________________________ Updated Packages: Corporate Server 2.1: ff044a2e3b1fa2c6b6a3f8567700bacc corporate/2.1/RPMS/ftp-client-krb5-1.2.5-1.4mdk.i586.rpm c9b9190ecdcb4afc7d235a4d14acccfb corporate/2.1/RPMS/ftp-server-krb5-1.2.5-1.4mdk.i586.rpm 32ba407c1aef46b95cd9132fb7bc60a8 corporate/2.1/RPMS/krb5-devel-1.2.5-1.4mdk.i586.rpm 2a32898602de8551967c38414884e91c corporate/2.1/RPMS/krb5-libs-1.2.5-1.4mdk.i586.rpm b09f0544b8a685ec351ba0cbd18ed8aa corporate/2.1/RPMS/krb5-server-1.2.5-1.4mdk.i586.rpm bd412c5533f4fbcd216c96693122d798 corporate/2.1/RPMS/krb5-workstation-1.2.5-1.4mdk.i586.rpm eaf68d6ef678c4400cbdec38493f6a32 corporate/2.1/RPMS/telnet-client-krb5-1.2.5-1.4mdk.i586.rpm e9ffe51915f095ed19ff83b95a16be7f corporate/2.1/RPMS/telnet-server-krb5-1.2.5-1.4mdk.i586.rpm 78ea5596dfae26c7eeabcc25363850eb corporate/2.1/SRPMS/krb5-1.2.5-1.4mdk.src.rpm Mandrake Linux 8.2: 819b0b7829b0ab6f0ffa03981bcb113b 8.2/RPMS/ftp-client-krb5-1.2.2-17.5mdk.i586.rpm 78238c5be9024658c709b660a27d86b1 8.2/RPMS/ftp-server-krb5-1.2.2-17.5mdk.i586.rpm 7484f3fffb575234257fecd38ab399b6 8.2/RPMS/krb5-devel-1.2.2-17.5mdk.i586.rpm 05f945beb43d5d7eef33513714bed38b 8.2/RPMS/krb5-libs-1.2.2-17.5mdk.i586.rpm 7989b492dc7282ccc1b4ea07461f81d5 8.2/RPMS/krb5-server-1.2.2-17.5mdk.i586.rpm 87e3129f28b44deee2afb579fc1aba44 8.2/RPMS/krb5-workstation-1.2.2-17.5mdk.i586.rpm d577b4d921592ce650aa6143ddeecbcd 8.2/RPMS/telnet-client-krb5-1.2.2-17.5mdk.i586.rpm 2c27ad5354c7d46ef423d69472e38fc6 8.2/RPMS/telnet-server-krb5-1.2.2-17.5mdk.i586.rpm d461701e513378feb8656c89653b29c2 8.2/SRPMS/krb5-1.2.2-17.5mdk.src.rpm Mandrake Linux 8.2/PPC: 0c5028a103cecd754a6f506964bf4448 ppc/8.2/RPMS/ftp-client-krb5-1.2.2-17.5mdk.ppc.rpm c68e111876b2320f24c1c22e8e6df1b1 ppc/8.2/RPMS/ftp-server-krb5-1.2.2-17.5mdk.ppc.rpm fdffb190e2faacee2cf550c09d2aeabd ppc/8.2/RPMS/krb5-devel-1.2.2-17.5mdk.ppc.rpm d77d17bdfad6f0ee3e253ff55daeec91 ppc/8.2/RPMS/krb5-libs-1.2.2-17.5mdk.ppc.rpm 80a5e1fc2221a7ede39385da2defdad9 ppc/8.2/RPMS/krb5-server-1.2.2-17.5mdk.ppc.rpm 66adac55615ce0254222a1ea38847c69 ppc/8.2/RPMS/krb5-workstation-1.2.2-17.5mdk.ppc.rpm 809a854ca25dff7a3b8e29589b7bc7ea ppc/8.2/RPMS/telnet-client-krb5-1.2.2-17.5mdk.ppc.rpm 4179fe8cd8b7a5f00cfad87bd07f341e ppc/8.2/RPMS/telnet-server-krb5-1.2.2-17.5mdk.ppc.rpm d461701e513378feb8656c89653b29c2 ppc/8.2/SRPMS/krb5-1.2.2-17.5mdk.src.rpm Mandrake Linux 9.0: ff044a2e3b1fa2c6b6a3f8567700bacc 9.0/RPMS/ftp-client-krb5-1.2.5-1.4mdk.i586.rpm c9b9190ecdcb4afc7d235a4d14acccfb 9.0/RPMS/ftp-server-krb5-1.2.5-1.4mdk.i586.rpm 32ba407c1aef46b95cd9132fb7bc60a8 9.0/RPMS/krb5-devel-1.2.5-1.4mdk.i586.rpm 2a32898602de8551967c38414884e91c 9.0/RPMS/krb5-libs-1.2.5-1.4mdk.i586.rpm b09f0544b8a685ec351ba0cbd18ed8aa 9.0/RPMS/krb5-server-1.2.5-1.4mdk.i586.rpm bd412c5533f4fbcd216c96693122d798 9.0/RPMS/krb5-workstation-1.2.5-1.4mdk.i586.rpm eaf68d6ef678c4400cbdec38493f6a32 9.0/RPMS/telnet-client-krb5-1.2.5-1.4mdk.i586.rpm e9ffe51915f095ed19ff83b95a16be7f 9.0/RPMS/telnet-server-krb5-1.2.5-1.4mdk.i586.rpm 78ea5596dfae26c7eeabcc25363850eb 9.0/SRPMS/krb5-1.2.5-1.4mdk.src.rpm Mandrake Linux 9.1: b5888bcb397105c47541289de9ab123e 9.1/RPMS/ftp-client-krb5-1.2.7-1.1mdk.i586.rpm eb5560bd11eeb6648528181ad08e7f48 9.1/RPMS/ftp-server-krb5-1.2.7-1.1mdk.i586.rpm 5bc475f74920c7a06af22dee2ef7cc9d 9.1/RPMS/krb5-devel-1.2.7-1.1mdk.i586.rpm 1169c020d1f61107955067cf4f1830fc 9.1/RPMS/krb5-libs-1.2.7-1.1mdk.i586.rpm 24e6126c8fc8830b3855bb6880c347f8 9.1/RPMS/krb5-server-1.2.7-1.1mdk.i586.rpm 16d43cf77c24e26bc9f05c2cbfc2ba46 9.1/RPMS/krb5-workstation-1.2.7-1.1mdk.i586.rpm 823c27610e62c7b57c4dac0bb25a1f31 9.1/RPMS/telnet-client-krb5-1.2.7-1.1mdk.i586.rpm cfba29048f25817c4bd296def06f3bf2 9.1/RPMS/telnet-server-krb5-1.2.7-1.1mdk.i586.rpm 3767fc890e9bb238de9e86a4a954e51f 9.1/SRPMS/krb5-1.2.7-1.1mdk.src.rpm Mandrake Linux 9.1/PPC: ff2ee32a87f4eb4d5d71fc141e07a653 ppc/9.1/RPMS/ftp-client-krb5-1.2.7-1.1mdk.ppc.rpm d440d74811fbb8b639ed2beef6cb6183 ppc/9.1/RPMS/ftp-server-krb5-1.2.7-1.1mdk.ppc.rpm ed860ab1279b3905e7a7b1f7bcd16cd3 ppc/9.1/RPMS/krb5-devel-1.2.7-1.1mdk.ppc.rpm 874113d397b64692cb5da3dac077b050 ppc/9.1/RPMS/krb5-libs-1.2.7-1.1mdk.ppc.rpm e04607def631281fdd5adccf14957fff ppc/9.1/RPMS/krb5-server-1.2.7-1.1mdk.ppc.rpm d4125d6cd39eddd59e154669ac1d9cbc ppc/9.1/RPMS/krb5-workstation-1.2.7-1.1mdk.ppc.rpm 5084b151cdbd8f9214c886c7a95f3e39 ppc/9.1/RPMS/telnet-client-krb5-1.2.7-1.1mdk.ppc.rpm 583b9695b76165a1d512de40cecc8e5c ppc/9.1/RPMS/telnet-server-krb5-1.2.7-1.1mdk.ppc.rpm 3767fc890e9bb238de9e86a4a954e51f ppc/9.1/SRPMS/krb5-1.2.7-1.1mdk.src.rpm Multi Network Firewall 8.2: 05f945beb43d5d7eef33513714bed38b mnf8.2/RPMS/krb5-libs-1.2.2-17.5mdk.i586.rpm d461701e513378feb8656c89653b29c2 mnf8.2/SRPMS/krb5-1.2.2-17.5mdk.src.rpm ________________________________________________________________________ Bug IDs fixed (see https://qa.mandrakesoft.com for more information): ________________________________________________________________________ To upgrade automatically, use MandrakeUpdate. The verification of md5 checksums and GPG signatures is performed automatically for you. If you want to upgrade manually, download the updated package from one of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm". A list of FTP mirrors can be obtained from: http://www.mandrakesecure.net/en/ftp.php Please verify the update prior to upgrading to ensure the integrity of the downloaded package. You can do this with the command: rpm --checksig <filename> All packages are signed by MandrakeSoft for security. You can obtain the GPG public key of the Mandrake Linux Security Team from: https://www.mandrakesecure.net/RPM-GPG-KEYS Please be aware that sometimes it takes the mirrors a few hours to update. You can view other update advisories for Mandrake Linux at: http://www.mandrakesecure.net/en/advisories/ MandrakeSoft has several security-related mailing list services that anyone can subscribe to. Information on these lists can be obtained by visiting: http://www.mandrakesecure.net/en/mlist.php If you want to report vulnerabilities, please contact security_linux-mandrake.com Type Bits/KeyID Date User ID pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team <security linux-mandrake.com> - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.0.7 (GNU/Linux) mQGiBDlp594RBAC2tDozI3ZgQsE7XwxurJCJrX0L5vx7SDByR5GHDdWekGhdiday L4nfUax+SeR9SCoCgTgPW1xB8vtQc8/sinJlMjp9197a2iKM0FOcPlkpa3HcOdt7 WKJqQhlMrHvRcsivzcgqjH44GBBJIT6sygUF8k0lU6YnMHj5MPc/NGWt8wCg9vKo P0l5QVAFSsHtqcU9W8cc7wMEAJzQsAlnvPXDBfBLEH6u7ptWFdp0GvbSuG2wRaPl hynHvRiE01ZvwbJZXsPsKm1z7uVoW+NknKLunWKB5axrNXDHxCYJBzY3jTeFjsqx PFZkIEAQphLTkeXXelAjQ5u9tEshPswEtMvJvUgNiAfbzHfPYmq8D6x5xOw1IySg 2e/LBACxr2UJYCCB2BZ3p508mAB0RpuLGukq+7UWiOizy+kSskIBg2O7sQkVY/Cs iyGEo4XvXqZFMY39RBdfm2GY+WB/5NFiTOYJRKjfprP6K1YbtsmctsX8dG+foKsD LLFs7OuVfaydLQYp1iiN6D+LJDSMPM8/LCWzZsgr9EKJ8NXiyrQ6TGludXggTWFu ZHJha2UgU2VjdXJpdHkgVGVhbSA8c2VjdXJpdHlAbGludXgtbWFuZHJha2UuY29t PohWBBMRAgAWBQI5aefeBAsKBAMDFQMCAxYCAQIXgAAKCRCaqNDQIkWKmK6LAKCy /NInDsaMSI+WHwrquwC5PZrcnQCeI+v3gUDsNfQfiKBvQSANu1hdulqIRgQQEQIA BgUCOtNVGQAKCRBZ5w3um0pAJJWQAKDUoL5He+mKbfrMaTuyU5lmRyJ0fwCgoFAP WdvQlu/kFjphF740XeOwtOqIRgQQEQIABgUCOu8A6QAKCRBynDnb9lq3CnpjAJ4w Pk0SEE9U4r40IxWpwLU+wrWVugCdFfSPllPpZRCiaC7HwbFcfExRmPaIRgQQEQIA BgUCPI+UAwAKCRDniYrgcHcf8xK5AKCm/Mq8qP8GE0o1hEX22QsJMZwH5gCfZ72H 8TacOb3oAmBdprf+K6gkdOiIRgQQEQIABgUCOtOieAAKCRCv2bZyU0yB80MeAJ9K +jXt0cKuaUonRU+CRGetk6t9dgCfTRRL6/puOKdD6md70+K5EBBSvsG0OE1hbmRy YWtlIExpbnV4IFNlY3VyaXR5IFRlYW0gPHNlY3VyaXR5QG1hbmRyYWtlc29mdC5j b20+iFcEExECABcFAjyPnuUFCwcKAwQDFQMCAxYCAQIXgAAKCRCaqNDQIkWKmFi+ AJsHhohgnU3ik4+gy3EdFlB2i/MBoACg6lHn5cnVvTcmgNccWxeNxLLZI5e5AQ0E OWnn7xAEAOQlTVY4TiNo5V/iP0J1xnqjqlqZsU7yEBKo/gZz6/+hx75RURe1ebiJ 9F779FQbpJ9Epz1KLSXvq974rnVb813zuGdmgFyk+ryA/rTR2RQ8h+EoNkwmATzR xBXVJb57fFQjxOu4eNjZAtfII/YXb0uyXXrdr5dlJ/3eXrcO4p0XAAMFBACCxo6Z 269s+A4v8C6Ui12aarOQcCDlV8cVG9LkyatU3FNTlnasqwo6EkaP572448weJWwN 6SCXVl+xOYLiK0hL/6Jb/O9Agw75yUVdk+RMM2I4fNEi+y4hmfMh2siBv8yEkEvZ jTcl3TpkTfzYky85tu433wmKaLFOv0WjBFSikohGBBgRAgAGBQI5aefvAAoJEJqo 0NAiRYqYid0AoJgeWzXrEdIClBOSW5Q6FzqJJyaqAKC0Y9YI3UFlE4zSIGjcFlLJ EJGXlA== =yGlX - -----END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQE+iclkmqjQ0CJFipgRAn7TAJwIkDPr53DXaj57LK9Rk1fI6nKxYQCgieWk /g5XZn2Md6siiuKt+zUU8ME= =JNZ9 -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. 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