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________________________________________________________________________
Linux-Mandrake Security Update Advisory
________________________________________________________________________
Package name: samba
Date: April 20th, 2001
Advisory ID: MDKSA-2001:040
Affected versions: 7.1, 7.2, 8.0, Corporate Server 1.0.1
________________________________________________________________________
Problem Description:
A vulnerability found by Marcus Meissner exists in Samba where it was
not creating temporary files safely which could allow local users to
overwrite files that they may not have access to. This happens when a
remote user queried a printer queue and samba would create a temporary
file in which the queue's data was written. Because Samba created the
file insecurely and used a predictable filename, a local attacker could
cause Samba to overwrite files that the attacker did not have access
to. As well, the smbclient "more" and "mput" commands also created
temporary files insecurely.
The vulnerability is present in Samba 2.0.7 and lower. 2.0.8 and 2.2.0
correct this behaviour.
________________________________________________________________________
Please verify the update prior to upgrading to ensure the integrity of
the downloaded package. You can do this with the command:
rpm --checksig package.rpm
You can get the GPG public key of the Linux-Mandrake Security Team at
http://www.linux-mandrake.com/en/security/RPM-GPG-KEYS
If you use MandrakeUpdate, the verification of md5 checksum and GPG
signature is performed automatically for you.
Linux-Mandrake 7.1:
893aa5b63b25263f4118094129b2c44f 7.1/RPMS/samba-2.0.8-1.2mdk.i586.rpm
04049723b420696c64207e29e020f563 7.1/RPMS/samba-client-2.0.8-1.2mdk.i586.rpm
74858e6ce9b9aa3d1cd1a93e210a5aae 7.1/RPMS/samba-common-2.0.8-1.2mdk.i586.rpm
d331a93d62eb3d36397fbada1e65ff48 7.1/SRPMS/samba-2.0.8-1.2mdk.src.rpm
Linux-Mandrake 7.2:
880264e1b7e1187a31d42e8fc4dfe695 7.2/RPMS/samba-2.0.8-1.1mdk.i586.rpm
fe886d72bbc2a6be11acab0b0dfb02b6 7.2/RPMS/samba-client-2.0.8-1.1mdk.i586.rpm
b24b7b6edfb8f774ea3a779ba6c2276f 7.2/RPMS/samba-common-2.0.8-1.1mdk.i586.rpm
41235ade6df790f3d0a927a2e8d7f445 7.2/SRPMS/samba-2.0.8-1.1mdk.src.rpm
Linux-Mandrake 8.0:
ef8d5cd992f07be3878e65c69abb2606 8.0/RPMS/samba-2.0.8-1.3mdk.i586.rpm
1ad7f4f08f48c42b64cf2b8e9937999c 8.0/RPMS/samba-client-2.0.8-1.3mdk.i586.rpm
5224020f261a0493ff41570b2d42bc79 8.0/RPMS/samba-common-2.0.8-1.3mdk.i586.rpm
7c612ae58c07cc69030ea2cf4f675437 8.0/SRPMS/samba-2.0.8-1.3mdk.src.rpm
Corporate Server 1.0.1:
87b197a24e6d030fd1b2dbc99374a734 1.0.1/RPMS/samba-2.0.8-1.2mdk.i586.rpm
fda79a63b7e5521eb89804d8a689ea61 1.0.1/RPMS/samba-client-2.0.8-1.2mdk.i586.rpm
cb2b31c5794f6dcd055fb8caffe4317b 1.0.1/RPMS/samba-common-2.0.8-1.2mdk.i586.rpm
d331a93d62eb3d36397fbada1e65ff48 1.0.1/SRPMS/samba-2.0.8-1.2mdk.src.rpm
________________________________________________________________________
To upgrade automatically, use MandrakeUpdate.
If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade 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 8.0, look for it in "updates/8.0/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.
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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This archive was generated by hypermail 2b30 : Sat Apr 21 2001 - 21:12:30 PDT