From bugzilla@redhat.com Thu Aug 9 16:09:24 2001 From: bugzilla@redhat.com To: redhat-watch-list@redhat.com Cc: bugtraq@securityfocus.com, linux-security@redhat.com, security@redhat.com Date: Thu, 9 Aug 2001 17:41 -0400 Subject: [RHSA-2001:100-02] Updated Kerberos 5 packages now available [The following text is in the "iso-8859-1" character set] [Your display is set for the "US-ASCII" character set] [Some characters may be displayed incorrectly] --------------------------------------------------------------------- Red Hat, Inc. Red Hat Security Advisory Synopsis: Updated Kerberos 5 packages now available Advisory ID: RHSA-2001:100-02 Issue date: 2001-08-02 Updated on: 2001-08-09 Product: Red Hat Linux Keywords: kerberos 5 telnet Cross references: Obsoletes: RHSA-2001:060 --------------------------------------------------------------------- 1. Topic: Updated Kerberos 5 packages are now available for Red Hat Linux 6.2, 7, and 7.1. These updates close vulnerabilities due to potential buffer overflows in the Kerberos-aware telnet server included in the krb5-workstation package. 2. Relevant releases/architectures: Red Hat Linux 6.2 - alpha, i386, sparc Red Hat Linux 7.0 - alpha, i386 Red Hat Linux 7.1 - alpha, i386, ia64 3. Problem description: By exploiting buffer overflows in the telnet server included in the krb5-workstation package, a remote attacker can obtain superuser privileges on a vulnerable host. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. 5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info): 30697 - The ftp server doesn't handle large files 41911 - krb5-server-1.2.2-4 possible bad init script (missing reload) 42551 - Addition of "ANY" keytab type. 45965 - ksu prints syslog messages to stderr 6. RPMs required: Red Hat Linux 6.2: SRPMS: ftp://updates.redhat.com/6.2/en/os/SRPMS/krb5-1.1.1-28.src.rpm alpha: ftp://updates.redhat.com/6.2/en/os/alpha/krb5-configs-1.1.1-28.alpha.rpm ftp://updates.redhat.com/6.2/en/os/alpha/krb5-devel-1.1.1-28.alpha.rpm ftp://updates.redhat.com/6.2/en/os/alpha/krb5-libs-1.1.1-28.alpha.rpm ftp://updates.redhat.com/6.2/en/os/alpha/krb5-server-1.1.1-28.alpha.rpm ftp://updates.redhat.com/6.2/en/os/alpha/krb5-workstation-1.1.1-28.alpha.rpm i386: ftp://updates.redhat.com/6.2/en/os/i386/krb5-configs-1.1.1-28.i386.rpm ftp://updates.redhat.com/6.2/en/os/i386/krb5-devel-1.1.1-28.i386.rpm ftp://updates.redhat.com/6.2/en/os/i386/krb5-libs-1.1.1-28.i386.rpm ftp://updates.redhat.com/6.2/en/os/i386/krb5-server-1.1.1-28.i386.rpm ftp://updates.redhat.com/6.2/en/os/i386/krb5-workstation-1.1.1-28.i386.rpm sparc: ftp://updates.redhat.com/6.2/en/os/sparc/krb5-configs-1.1.1-28.sparc.rpm ftp://updates.redhat.com/6.2/en/os/sparc/krb5-devel-1.1.1-28.sparc.rpm ftp://updates.redhat.com/6.2/en/os/sparc/krb5-libs-1.1.1-28.sparc.rpm ftp://updates.redhat.com/6.2/en/os/sparc/krb5-server-1.1.1-28.sparc.rpm ftp://updates.redhat.com/6.2/en/os/sparc/krb5-workstation-1.1.1-28.sparc.rpm Red Hat Linux 7.0: SRPMS: ftp://updates.redhat.com/7.0/en/os/SRPMS/krb5-1.2.2-12.src.rpm alpha: ftp://updates.redhat.com/7.0/en/os/alpha/krb5-devel-1.2.2-12.alpha.rpm ftp://updates.redhat.com/7.0/en/os/alpha/krb5-libs-1.2.2-12.alpha.rpm ftp://updates.redhat.com/7.0/en/os/alpha/krb5-server-1.2.2-12.alpha.rpm ftp://updates.redhat.com/7.0/en/os/alpha/krb5-workstation-1.2.2-12.alpha.rpm i386: ftp://updates.redhat.com/7.0/en/os/i386/krb5-devel-1.2.2-12.i386.rpm ftp://updates.redhat.com/7.0/en/os/i386/krb5-libs-1.2.2-12.i386.rpm ftp://updates.redhat.com/7.0/en/os/i386/krb5-server-1.2.2-12.i386.rpm ftp://updates.redhat.com/7.0/en/os/i386/krb5-workstation-1.2.2-12.i386.rpm Red Hat Linux 7.1: SRPMS: ftp://updates.redhat.com/7.1/en/os/SRPMS/krb5-1.2.2-12.src.rpm alpha: ftp://updates.redhat.com/7.1/en/os/alpha/krb5-devel-1.2.2-12.alpha.rpm ftp://updates.redhat.com/7.1/en/os/alpha/krb5-libs-1.2.2-12.alpha.rpm ftp://updates.redhat.com/7.1/en/os/alpha/krb5-server-1.2.2-12.alpha.rpm ftp://updates.redhat.com/7.1/en/os/alpha/krb5-workstation-1.2.2-12.alpha.rpm i386: ftp://updates.redhat.com/7.1/en/os/i386/krb5-devel-1.2.2-12.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/krb5-libs-1.2.2-12.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/krb5-server-1.2.2-12.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/krb5-workstation-1.2.2-12.i386.rpm ia64: ftp://updates.redhat.com/7.1/en/os/ia64/krb5-devel-1.2.2-12.ia64.rpm ftp://updates.redhat.com/7.1/en/os/ia64/krb5-libs-1.2.2-12.ia64.rpm ftp://updates.redhat.com/7.1/en/os/ia64/krb5-server-1.2.2-12.ia64.rpm ftp://updates.redhat.com/7.1/en/os/ia64/krb5-workstation-1.2.2-12.ia64.rpm 7. Verification: MD5 sum Package Name -------------------------------------------------------------------------- 32c2b378d7e345c138d36e394f069b39 6.2/en/os/SRPMS/krb5-1.1.1-28.src.rpm 0dcd3c527aab3c963f1d2f675f3415c8 6.2/en/os/alpha/krb5-configs-1.1.1-28.alpha.rpm 2a665b9e15572f509cc62032df4609d5 6.2/en/os/alpha/krb5-devel-1.1.1-28.alpha.rpm c9744248932d65e76ed8d8b5462e5779 6.2/en/os/alpha/krb5-libs-1.1.1-28.alpha.rpm fa38f5c25164c6f9b79804e246c53425 6.2/en/os/alpha/krb5-server-1.1.1-28.alpha.rpm b1313389a6f6511b5e05df003bf166e4 6.2/en/os/alpha/krb5-workstation-1.1.1-28.alpha.rpm 97ebbf14de88869c8b1b5b932f3fb920 6.2/en/os/i386/krb5-configs-1.1.1-28.i386.rpm a57afb63eb62b15dafaf42d39fa809d7 6.2/en/os/i386/krb5-devel-1.1.1-28.i386.rpm 2186fafedfc49cd21bc2f0cad8b42186 6.2/en/os/i386/krb5-libs-1.1.1-28.i386.rpm 5195f7eab0efe095fcd1531495f5cb8f 6.2/en/os/i386/krb5-server-1.1.1-28.i386.rpm 94ce34d6d5fdaa4ce3113b96117c361d 6.2/en/os/i386/krb5-workstation-1.1.1-28.i386.rpm f03782a1bb3456f103639265f1fce94a 6.2/en/os/sparc/krb5-configs-1.1.1-28.sparc.rpm 6fee7baeba6911112086fb130b13fcf4 6.2/en/os/sparc/krb5-devel-1.1.1-28.sparc.rpm c238a3ab7f134600f0c397c8cc4cb8c3 6.2/en/os/sparc/krb5-libs-1.1.1-28.sparc.rpm ffbedd3e39c838dbd844573df82c2c71 6.2/en/os/sparc/krb5-server-1.1.1-28.sparc.rpm dfa66193f8a637d9ffe6c2e0ab37616a 6.2/en/os/sparc/krb5-workstation-1.1.1-28.sparc.rpm 4f6c71033da1c3b8a4b7755c0a02fc44 7.0/en/os/SRPMS/krb5-1.2.2-12.src.rpm d8968499a52996909463f14fabb927ed 7.0/en/os/alpha/krb5-devel-1.2.2-12.alpha.rpm d019c6e7b5e54a79f28fe4b8c70aa21a 7.0/en/os/alpha/krb5-libs-1.2.2-12.alpha.rpm ec7240d34748981cedea7a71b9d6b945 7.0/en/os/alpha/krb5-server-1.2.2-12.alpha.rpm 0a83d1908ecb2ed8d6c60c7680c4ea9c 7.0/en/os/alpha/krb5-workstation-1.2.2-12.alpha.rpm b9052937bdc499d739d966aed7dc6d78 7.0/en/os/i386/krb5-devel-1.2.2-12.i386.rpm ddf2a15cfa2d35ecaab5c03a28ac1113 7.0/en/os/i386/krb5-libs-1.2.2-12.i386.rpm 87ff31faee86931f70aec8a271090756 7.0/en/os/i386/krb5-server-1.2.2-12.i386.rpm 9c5341e2479f0641adb5ecadd2c3d5ac 7.0/en/os/i386/krb5-workstation-1.2.2-12.i386.rpm 4f6c71033da1c3b8a4b7755c0a02fc44 7.1/en/os/SRPMS/krb5-1.2.2-12.src.rpm d8968499a52996909463f14fabb927ed 7.1/en/os/alpha/krb5-devel-1.2.2-12.alpha.rpm d019c6e7b5e54a79f28fe4b8c70aa21a 7.1/en/os/alpha/krb5-libs-1.2.2-12.alpha.rpm ec7240d34748981cedea7a71b9d6b945 7.1/en/os/alpha/krb5-server-1.2.2-12.alpha.rpm 0a83d1908ecb2ed8d6c60c7680c4ea9c 7.1/en/os/alpha/krb5-workstation-1.2.2-12.alpha.rpm b9052937bdc499d739d966aed7dc6d78 7.1/en/os/i386/krb5-devel-1.2.2-12.i386.rpm ddf2a15cfa2d35ecaab5c03a28ac1113 7.1/en/os/i386/krb5-libs-1.2.2-12.i386.rpm 87ff31faee86931f70aec8a271090756 7.1/en/os/i386/krb5-server-1.2.2-12.i386.rpm 9c5341e2479f0641adb5ecadd2c3d5ac 7.1/en/os/i386/krb5-workstation-1.2.2-12.i386.rpm 7ec4e94edb5d39ce08b847601920975b 7.1/en/os/ia64/krb5-devel-1.2.2-12.ia64.rpm 31fbb239efc795864bfb5f2d01278c5f 7.1/en/os/ia64/krb5-libs-1.2.2-12.ia64.rpm 35f3d405ace519cf983b4f584c3f30de 7.1/en/os/ia64/krb5-server-1.2.2-12.ia64.rpm 91721e2dc00c05b1f9183182f64ad7f7 7.1/en/os/ia64/krb5-workstation-1.2.2-12.ia64.rpm These packages are GPG signed by Red Hat, Inc. for security. Our key is available at: http://www.redhat.com/corp/contact.html You can verify each package with the following command: rpm --checksig If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command: rpm --checksig --nogpg 8. References: http://web.mit.edu/kerberos/www/advisories/ http://web.mit.edu/kerberos/www/advisories/telnetd_122_patch.txt Copyright(c) 2000, 2001 Red Hat, Inc.