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Sicherheit: DoS-Attacke auf bind 9
Aktuelle Meldungen Distributionen
Name: DoS-Attacke auf bind 9
ID: MDKSA-2002:038-1
Distribution: Mandrake
Plattformen: Mandrake 8.0, Mandrake 8.1, Mandrake 8.2
Datum: Fr, 16. August 2002, 13:00
Referenzen: Keine Angabe
Applikationen: BIND

Originalnachricht

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________________________________________________________________________

Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name: bind
Advisory ID: MDKSA-2002:038-1
Date: August 15th, 2002
Original Advisory Date: June 4th, 2002
Affected versions: 8.0, 8.1, 8.2
________________________________________________________________________

Problem Description:

A vulnerability was discovered in the BIND9 DNS server in versions
prior to 9.2.1. An error condition will trigger the shutdown of the
server when the rdataset parameter to the dns_message_findtype()
function in message.c is not NULL as expected. This condition causes
the server to assert an error message and shutdown the BIND server.
The error condition can be remotely exploited by a special DNS packet.
This can only be used to create a Denial of Service on the server; the
error condition is correctly detected, so it will not allow an attacker
to execute arbitrary code on the server.

Update:

Sascha Kettler noticed that the version of BIND9 supplied originally
was in fact 9.2.1RC1 and mis-labelled as 9.2.1. The packages provided
in this update are BIND 9.2.1 final. Likewise, the buffer overflow
in the DNS resolver libraries, as noted in MDKSA-2002:043, has also
been fixed. Thanks to Bernhard Rosenkraenzer at Red Hat for
backporting the patches from 8.3.3 to 9.2.1.
________________________________________________________________________

References:

http://www.kb.cert.org/vuls/id/739123
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0400
http://www.kb.cert.org/vuls/id/803539
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0651
________________________________________________________________________

Updated Packages:

Mandrake Linux 8.0:
2d333068cd1c97287cc6248d0ecb3094 8.0/RPMS/bind-9.2.1-2.2mdk.i586.rpm
5235059b1af4433f5f89719839d6ed83 8.0/RPMS/bind-devel-9.2.1-2.2mdk.i586.rpm
ca0df55cabe34fa2dc9aa38006ea58a8 8.0/RPMS/bind-utils-9.2.1-2.2mdk.i586.rpm
849d8830664ead2851e3bc5d1cd16414
8.0/RPMS/caching-nameserver-8.1-3.1mdk.noarch.rpm
81b76c2f5bddd8b21afc1628aa0fbee3 8.0/SRPMS/bind-9.2.1-2.2mdk.src.rpm
254bb3d6d6126039688ffa42c2c23a0e
8.0/SRPMS/caching-nameserver-8.1-3.1mdk.src.rpm

Mandrake Linux 8.0/ppc:
54d6399d39dafd8715fe42857ecdbb10 ppc/8.0/RPMS/bind-9.2.1-2.2mdk.ppc.rpm
a49acb81b4e7bf2ae0f5d4fb2a8af773 ppc/8.0/RPMS/bind-devel-9.2.1-2.2mdk.ppc.rpm
437c8f2f8fd8cb342964a9bfc3727808 ppc/8.0/RPMS/bind-utils-9.2.1-2.2mdk.ppc.rpm
339aab22951c433943aec49791646f1f
ppc/8.0/RPMS/caching-nameserver-8.1-3.1mdk.noarch.rpm
81b76c2f5bddd8b21afc1628aa0fbee3 ppc/8.0/SRPMS/bind-9.2.1-2.2mdk.src.rpm
254bb3d6d6126039688ffa42c2c23a0e
ppc/8.0/SRPMS/caching-nameserver-8.1-3.1mdk.src.rpm

Mandrake Linux 8.1:
cc6e0e45be2d0dc02944e507cc150fdf 8.1/RPMS/bind-9.2.1-2.2mdk.i586.rpm
f06f4b3556df65a7a6986facf3e30dee 8.1/RPMS/bind-devel-9.2.1-2.2mdk.i586.rpm
00cf479e0abbcf027dad5aa255e75444 8.1/RPMS/bind-utils-9.2.1-2.2mdk.i586.rpm
e9f138b5ee6ca30484677a773d6cdacb
8.1/RPMS/caching-nameserver-8.1-3.1mdk.noarch.rpm
81b76c2f5bddd8b21afc1628aa0fbee3 8.1/SRPMS/bind-9.2.1-2.2mdk.src.rpm
254bb3d6d6126039688ffa42c2c23a0e
8.1/SRPMS/caching-nameserver-8.1-3.1mdk.src.rpm

Mandrake Linux 8.1/ia64:
a702b12112c21b1ff0734ca30a590faf ia64/8.1/RPMS/bind-9.2.1-2.2mdk.ia64.rpm
442b1d7b3a38b651c125e43d501745f6
ia64/8.1/RPMS/bind-devel-9.2.1-2.2mdk.ia64.rpm
4d3144ca073cbbe04df703425a7fa115
ia64/8.1/RPMS/bind-utils-9.2.1-2.2mdk.ia64.rpm
05b83591a3e16d26af8cc8123894a5f4
ia64/8.1/RPMS/caching-nameserver-8.1-3.1mdk.noarch.rpm
81b76c2f5bddd8b21afc1628aa0fbee3 ia64/8.1/SRPMS/bind-9.2.1-2.2mdk.src.rpm
254bb3d6d6126039688ffa42c2c23a0e
ia64/8.1/SRPMS/caching-nameserver-8.1-3.1mdk.src.rpm

Mandrake Linux 8.2:
c871ab517a1f789a134337dc580ab803 8.2/RPMS/bind-9.2.1-2.2mdk.i586.rpm
15cdebfe14d8a213101d758137364c72 8.2/RPMS/bind-devel-9.2.1-2.2mdk.i586.rpm
551bb255ed07bb0b257875190c866b42 8.2/RPMS/bind-utils-9.2.1-2.2mdk.i586.rpm
18145fb072aaad5a7272a00ea4e0c411
8.2/RPMS/caching-nameserver-8.1-3.1mdk.noarch.rpm
81b76c2f5bddd8b21afc1628aa0fbee3 8.2/SRPMS/bind-9.2.1-2.2mdk.src.rpm
254bb3d6d6126039688ffa42c2c23a0e
8.2/SRPMS/caching-nameserver-8.1-3.1mdk.src.rpm

Mandrake Linux 8.2/ppc:
b5b83be16e65c690baea0ee0818d37a1 ppc/8.2/RPMS/bind-9.2.1-2.2mdk.ppc.rpm
6dcc3d95be37f499bdd1dd3c74f2fdb5 ppc/8.2/RPMS/bind-devel-9.2.1-2.2mdk.ppc.rpm
bd3d39475eccd6f5a225900c15a53e74 ppc/8.2/RPMS/bind-utils-9.2.1-2.2mdk.ppc.rpm
cc580609afa0dddc45a7d44c79996294
ppc/8.2/RPMS/caching-nameserver-8.1-3.1mdk.noarch.rpm
81b76c2f5bddd8b21afc1628aa0fbee3 ppc/8.2/SRPMS/bind-9.2.1-2.2mdk.src.rpm
254bb3d6d6126039688ffa42c2c23a0e
ppc/8.2/SRPMS/caching-nameserver-8.1-3.1mdk.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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