Mandrake alert: krb5 update

Posted by dave on Oct 29, 2002 1:08 PM EDT
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A stack buffer overflow in the implementation of the Kerberos v4 compatibility administration daemon (kadmind4) in the krb5 package can be exploited to gain unauthorized root access to a KDC host. Authentication to the daemon is not required to successfully perform the attack and according to MIT at least one exploit is known to exist. kadmind4 is used only by sites that require compatibility with legacy administrative clients, and sites that do not have these needs are likely not using kadmind4 and are not affected. MandrakeSoft encourages all users who use Kerberos to upgrade to these packages immediately.

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________________________________________________________________________

Mandrake Linux Security Update Advisory ________________________________________________________________________

Package name: krb5 Advisory ID: MDKSA-2002:073 Date: October 29th, 2002 Affected versions: 8.1, 8.2, 9.0 ________________________________________________________________________

Problem Description:

A stack buffer overflow in the implementation of the Kerberos v4 compatibility administration daemon (kadmind4) in the krb5 package can be exploited to gain unauthorized root access to a KDC host. Authentication to the daemon is not required to successfully perform the attack and according to MIT at least one exploit is known to exist. kadmind4 is used only by sites that require compatibility with legacy administrative clients, and sites that do not have these needs are likely not using kadmind4 and are not affected.

MandrakeSoft encourages all users who use Kerberos to upgrade to these packages immediately. ________________________________________________________________________

References:

http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2002-002-kadm4.txt http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1235 http://www.kb.cert.org/vuls/id/875073 ________________________________________________________________________

Updated Packages:

Mandrake Linux 8.1: bada604868fecb91a0bbde8b5a2b9c98 8.1/RPMS/ftp-client-krb5-1.2.2-17.2mdk.i586.rpm bb95c14c5f485c7322bb186bcf83784d 8.1/RPMS/ftp-server-krb5-1.2.2-17.2mdk.i586.rpm 73cbc56e123d6ae3b8edb1b056e71732 8.1/RPMS/krb5-devel-1.2.2-17.2mdk.i586.rpm 233973b866b9fe0bcceec6b447ac1494 8.1/RPMS/krb5-libs-1.2.2-17.2mdk.i586.rpm ea997ef796b93acd0ba0ac8dd9ed896c 8.1/RPMS/krb5-server-1.2.2-17.2mdk.i586.rpm 652e0dc9eaea1b3ed527007e4b74c159 8.1/RPMS/krb5-workstation-1.2.2-17.2mdk.i586.rpm 814eaa802ddcc1ccc514be0275294e7c 8.1/RPMS/telnet-client-krb5-1.2.2-17.2mdk.i586.rpm eab29a806edb9f97f4e3284a5163777f 8.1/RPMS/telnet-server-krb5-1.2.2-17.2mdk.i586.rpm bde71e39d690d438d3ba82daf8e896f3 8.1/SRPMS/krb5-1.2.2-17.2mdk.src.rpm

Mandrake Linux 8.1/ia64: b945de65dfd8455970e8e1943e98015d ia64/8.1/RPMS/ftp-client-krb5-1.2.2-17.2mdk.ia64.rpm cb0dab875edb959672059e4aff66d197 ia64/8.1/RPMS/ftp-server-krb5-1.2.2-17.2mdk.ia64.rpm 1daafa5656299bfb526de5ab6d2d405f ia64/8.1/RPMS/krb5-devel-1.2.2-17.2mdk.ia64.rpm b9897886faf30bd9f1bcd43c92de9374 ia64/8.1/RPMS/krb5-libs-1.2.2-17.2mdk.ia64.rpm ce1bd08414dc323f3d1070eaf441ccde ia64/8.1/RPMS/krb5-server-1.2.2-17.2mdk.ia64.rpm ad978831f694245c8cf5c4e9bee458bd ia64/8.1/RPMS/krb5-workstation-1.2.2-17.2mdk.ia64.rpm 80088e2bc3c6370608b9c2673a079021 ia64/8.1/RPMS/telnet-client-krb5-1.2.2-17.2mdk.ia64.rpm 9cbdc9ef8325306ccbcb9231edeae774 ia64/8.1/RPMS/telnet-server-krb5-1.2.2-17.2mdk.ia64.rpm bde71e39d690d438d3ba82daf8e896f3 ia64/8.1/SRPMS/krb5-1.2.2-17.2mdk.src.rpm

Mandrake Linux 8.2: c7faaae6a92595141ab384c7aad1e5e9 8.2/RPMS/ftp-client-krb5-1.2.2-17.2mdk.i586.rpm 8c6c7303ec94041f373eeb07941b700b 8.2/RPMS/ftp-server-krb5-1.2.2-17.2mdk.i586.rpm d84549665e0e5ad31cb9db10277914b7 8.2/RPMS/krb5-devel-1.2.2-17.2mdk.i586.rpm fcb95fb3e5b488ff0b18dcdcf2edd56a 8.2/RPMS/krb5-libs-1.2.2-17.2mdk.i586.rpm 01a601b8247ff47f18d8ec01c480c4a2 8.2/RPMS/krb5-server-1.2.2-17.2mdk.i586.rpm 1a6fc1ef10b834c5b16a2640b2a5a144 8.2/RPMS/krb5-workstation-1.2.2-17.2mdk.i586.rpm 54f230f69ae6913e2f25471d62cea6e2 8.2/RPMS/telnet-client-krb5-1.2.2-17.2mdk.i586.rpm e09ce4b41e65f9e704698ac54a23d256 8.2/RPMS/telnet-server-krb5-1.2.2-17.2mdk.i586.rpm bde71e39d690d438d3ba82daf8e896f3 8.2/SRPMS/krb5-1.2.2-17.2mdk.src.rpm

Mandrake Linux 8.2/ppc: aa2b64279ba9e41f5634c7da0fcfef5f ppc/8.2/RPMS/ftp-client-krb5-1.2.2-17.2mdk.ppc.rpm 732df990428db9e74fc3a16d4b5432be ppc/8.2/RPMS/ftp-server-krb5-1.2.2-17.2mdk.ppc.rpm a09f5be5fe99a25e6c77eccc7a6b676a ppc/8.2/RPMS/krb5-devel-1.2.2-17.2mdk.ppc.rpm 54b2345a5d008f666cf06453016e45bb ppc/8.2/RPMS/krb5-libs-1.2.2-17.2mdk.ppc.rpm 0d9b9578fef5beca8b587bf70e6f6f07 ppc/8.2/RPMS/krb5-server-1.2.2-17.2mdk.ppc.rpm a30642ba343d7cd41560aa369a69d7ee ppc/8.2/RPMS/krb5-workstation-1.2.2-17.2mdk.ppc.rpm 93dfbf686664bbff51604ec481a6e187 ppc/8.2/RPMS/telnet-client-krb5-1.2.2-17.2mdk.ppc.rpm f7513633f6b195ec5f3a4ba2acb516b9 ppc/8.2/RPMS/telnet-server-krb5-1.2.2-17.2mdk.ppc.rpm bde71e39d690d438d3ba82daf8e896f3 ppc/8.2/SRPMS/krb5-1.2.2-17.2mdk.src.rpm

Mandrake Linux 9.0: 78ed01da6f7b5c0932cce2aab712eaa8 9.0/RPMS/ftp-client-krb5-1.2.5-1.1mdk.i586.rpm 478aa92b97dee775487723e766899a2a 9.0/RPMS/ftp-server-krb5-1.2.5-1.1mdk.i586.rpm 60feed51cf43074188603da3a747acf6 9.0/RPMS/krb5-devel-1.2.5-1.1mdk.i586.rpm cbb7af2f3d9714c169245929da744352 9.0/RPMS/krb5-libs-1.2.5-1.1mdk.i586.rpm 3cffa28874f6fa0083deb7b5fab32028 9.0/RPMS/krb5-server-1.2.5-1.1mdk.i586.rpm 0f5cc460d95b876ab5b83a5dcaf2abdf 9.0/RPMS/krb5-workstation-1.2.5-1.1mdk.i586.rpm 05fb47025e02a74c29e0a46ab58a4712 9.0/RPMS/telnet-client-krb5-1.2.5-1.1mdk.i586.rpm 7b5175591bd819b0c2ff94f9c803cc96 9.0/RPMS/telnet-server-krb5-1.2.5-1.1mdk.i586.rpm e6fe8202ff37143efb1236f794784b4b 9.0/SRPMS/krb5-1.2.5-1.1mdk.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>

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