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Sicherheit: Möglicher DoS-Angriff auf BIND
Aktuelle Meldungen Distributionen
Name: Möglicher DoS-Angriff auf BIND
ID: MDKSA-2000:067
Distribution: Mandrake
Plattformen: Mandrake 6.0, Mandrake 6.1, Mandrake 7.0, Mandrake 7.1, Mandrake 7.2
Datum: Mo, 13. November 2000, 12:00
Referenzen: Keine Angabe
Applikationen: BIND

Originalnachricht

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________________________________________________________________________

Linux-Mandrake Security Update Advisory
________________________________________________________________________

Package name: bind
Date: November 10th, 2000
Advisory ID: MDKSA-2000:067

Affected versions: 6.0, 6.1, 7.0, 7.1, 7.2
________________________________________________________________________

Problem Description:

A vulnerability exists with the bind nameserver dealing with compressed
zone transfers. This vulnerability can be exploited by authorized zone
transfers and used in a DoS attack. The named daemon will crash if it
receives this type of zone transfer from an authorized source address.
The crash is not necessarily immediate, but can range from a few
seconds to a few minutes from the time of the attack.

This new version of bind also fixes a bug in the handling of the
compression pointer tables which can result in the nameserver entering
an infinite loop. This bug has been known to occur in the standard
processing of SRV records used with Windows 2000 Active Directory.

All Linux-Mandrake users are encouraged to upgrade bind immediately.
________________________________________________________________________

Please verify these md5 checksums of the updates prior to upgrading to
ensure the integrity of the downloaded package. You can do this by
running the md5sum program on the downloaded package by using
"md5sum package.rpm".

Linux-Mandrake 6.0:
63dece5bdf5b364f1fa351e99b0f1d81 6.0/RPMS/bind-8.2.2P7-1.3mdk.i586.rpm
b5e4d0be74821ebad82e00203368d0c4 6.0/RPMS/bind-devel-8.2.2P7-1.3mdk.i586.rpm
f572a381a78d15dd6cbcf0c7ba1e4b20 6.0/RPMS/bind-utils-8.2.2P7-1.3mdk.i586.rpm
922dadf7f9d09d48afd2e1ef2658e0e7 6.0/SRPMS/bind-8.2.2P7-1.3mdk.src.rpm

Linux-Mandrake 6.1:
31b80e93983509ba700ab423e8cba86a 6.1/RPMS/bind-8.2.2P7-1.2mdk.i586.rpm
898dd6be66648c4a007591a568097130 6.1/RPMS/bind-devel-8.2.2P7-1.2mdk.i586.rpm
0c8c6d9e4e94decba62997bf43d93c2a 6.1/RPMS/bind-utils-8.2.2P7-1.2mdk.i586.rpm
3110dac2e15492e6c3e4009f719258f2 6.1/SRPMS/bind-8.2.2P7-1.2mdk.src.rpm

Linux-Mandrake 7.0:
fe688f3c19b1afcce778c73a7a97d67f 7.0/RPMS/bind-8.2.2P7-1.2mdk.i586.rpm
68fc750e802551320228fa1281022e8f 7.0/RPMS/bind-devel-8.2.2P7-1.2mdk.i586.rpm
b72061807b819d2082212b84268c36f5 7.0/RPMS/bind-utils-8.2.2P7-1.2mdk.i586.rpm
3110dac2e15492e6c3e4009f719258f2 7.0/SRPMS/bind-8.2.2P7-1.2mdk.src.rpm

Linux-Mandrake 7.1:
bd4a43d343905dd7a8215d317dbf9f95 7.1/RPMS/bind-8.2.2P7-1.2mdk.i586.rpm
3bf767d061fa107714e94d75f4051329 7.1/RPMS/bind-devel-8.2.2P7-1.2mdk.i586.rpm
f07e98667ef5097a08ae3048566ea6ec 7.1/RPMS/bind-utils-8.2.2P7-1.2mdk.i586.rpm
3110dac2e15492e6c3e4009f719258f2 7.1/SRPMS/bind-8.2.2P7-1.2mdk.src.rpm

Linux-Mandrake 7.2:
96658c404d75cbc2c7457c8d73c41d44 7.2/RPMS/bind-8.2.2P7-1.1mdk.i586.rpm
3ca7e6ae919a1c9a58f96b9a383e92db 7.2/RPMS/bind-devel-8.2.2P7-1.1mdk.i586.rpm
6058c36736a1e6b492d7583aac1be82f 7.2/RPMS/bind-utils-8.2.2P7-1.1mdk.i586.rpm
85c69a0d1977677f60953d0d989440bb 7.2/SRPMS/bind-8.2.2P7-1.1mdk.src.rpm
________________________________________________________________________

To upgrade automatically, use =AB MandrakeUpdate =BB.

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and uprade with "rpm -Fvh *.rpm".

You can download the updates directly from one of the mirror sites
listed at:

http://www.linux-mandrake.com/en/ftp.php3.

Updated packages are available in the "updates/[ver]/RPMS/" directory.
For example, if you are looking for an updated RPM package for
Linux-Mandrake 7.2, look for it in "updates/7.2/RPMS/". Updated source
RPMs are available as well, but you generally do not need to download
them.

Please be aware that sometimes it takes the mirrors a few hours to
update, so if you want an immediate upgrade, please use one of the two
above-listed mirrors.

You can view other security advisories for Linux-Mandrake at:

http://www.linux-mandrake.com/en/security/

If you want to report vulnerabilities, please contact

security@linux-mandrake.com
________________________________________________________________________

Linux-Mandrake has two security-related mailing list services that
anyone can subscribe to:

security-announce@linux-mandrake.com

Linux-Mandrake's security announcements mailing list. Only
announcements are sent to this list and it is read-only.

security-discuss@linux-mandrake.com

Linux-Mandrake's security discussion mailing list. This list is open
to anyone to discuss Linux-Mandrake security specifically and Linux
security in general.

To subscribe to either list, send a message to
sympa@linux-mandrake.com
with "subscribe [listname]" in the body of the message.

To remove yourself from either list, send a message to
sympa@linux-mandrake.com
with "unsubscribe [listname]" in the body of the message.

To get more information on either list, send a message to
sympa@linux-mandrake.com
with "info [listname]" in the body of the message.

Optionally, you can use the web interface to subscribe to or unsubscribe
from either list:

http://www.linux-mandrake.com/en/flists.php3#security
________________________________________________________________________

Type Bits/KeyID Date User ID
pub 1024D/22458A98 2000-07-10 Linux Mandrake Security Team
<security@linux-mandrake.com>


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