Date: 14 Feb 2003 00:53:51 -0000
From: Mandrake Linux Security Team <[email protected]>
To: [email protected]Subject: MDKSA-2003:016 - Updated util-linux packages provide stronger randomness in mcookie
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Mandrake Linux Security Update Advisory
________________________________________________________________________
Package name: util-linux
Advisory ID: MDKSA-2003:016
Date: February 13th, 2003
Affected versions: 8.2, 9.0
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Problem Description:
The util-linux package provides the mcookie utility, a tool for
generating random cookies that can be used for X authentication. The
util-linux packages that were distributed with Mandrake Linux 8.2 and
9.0 had a patch that made it use /dev/urandom instead of /dev/random,
which resulted in the mcookie being more predictable than it would
otherwise be. This patch has been removed in these updates, giving
mcookie a better source of entropy and making the generated cookies
less predictable. Thanks to Dirk Mueller for pointing this out.
________________________________________________________________________
References:
________________________________________________________________________
Updated Packages:
Mandrake Linux 8.2:
42ff78fc528a12c85074b9930e5dca40 8.2/RPMS/losetup-2.11n-4.4mdk.i586.rpm
95d6fa4f6657799dc47eaeb5cb77cafc 8.2/RPMS/mount-2.11n-4.4mdk.i586.rpm
1a0cd7a36dc16fc6229812669d2bfc87 8.2/RPMS/util-linux-2.11n-4.4mdk.i586.rpm
6bf632bf623ec261d96b63fb267bd4e9 8.2/SRPMS/util-linux-2.11n-4.4mdk.src.rpm
Mandrake Linux 8.2/PPC:
a63c201ccb44b3db876e8b730644a449 ppc/8.2/RPMS/losetup-2.11n-4.4mdk.ppc.rpm
59bce5df786546785a8425006749d0f0 ppc/8.2/RPMS/mount-2.11n-4.4mdk.ppc.rpm
27591222bc4498183f48fa11f1edbbf3 ppc/8.2/RPMS/util-linux-2.11n-4.4mdk.ppc.rpm
6bf632bf623ec261d96b63fb267bd4e9 ppc/8.2/SRPMS/util-linux-2.11n-4.4mdk.src.rpm
Mandrake Linux 9.0:
09586a3e81b2212b8044445fc4559fc5 9.0/RPMS/losetup-2.11u-1.1mdk.i586.rpm
be9751b84f20ec4bc1ced03c4004dcb4 9.0/RPMS/mount-2.11u-1.1mdk.i586.rpm
613661ae3c324580e653330814f74756 9.0/RPMS/util-linux-2.11u-1.1mdk.i586.rpm
757145e95a3a990f0c95589cd0324a71 9.0/SRPMS/util-linux-2.11u-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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