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________________________________________________________________________

                Linux-Mandrake Security Update Advisory
________________________________________________________________________

Package name:		cups
Date:			February 5th, 2001
Original Advisory Date:	February 1st, 2001
Advisory ID:		MDKSA-2001:020-1

Affected versions:	7.2
________________________________________________________________________

Problem Description:

 A problem exists in all versions of CUPS prior to 1.1.5 with the 
 httpGets() function.  It could go into an infinite loop if a line
 longer than the input buffer size was sent by a client.  This could be
 used as a DoS attack.  As well, all occurances of sprintf() calls were
 changed to snprintf(), and all occurances of strcpy() calls were
 changed to strncpy() calls, both of which protect against buffer 
 overflows.  Finally, CUPS now defaults to not broadcasting the printer
 information anymore by default, and by default access is only allowed
 from the local machine.

Update:

 The previously released packages were improperly constructed using the
 new library method currently used in the Linux-Mandrake Cooker, and as
 such caused upgrade problems for existing 7.2 users.  This update
 corrects this and does not use the libcups1(-devel) packages which
 caused the problem.  Users who have already upgraded to the updated
 cups packages announced last week will need to uninstall the libcups1
 packages and then upgrade cups again.  To do this, at the command line
 execute the following commands prior to running MandrakeUpdate:

   rpm -e libcups1-devel
   rpm -e libcups1 --nodeps

 Now you can update the cups packages properly via MandrakeUpdate.
________________________________________________________________________

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 7.2:
41bdfcc888ad32677955b31cbb1d730e  7.2/RPMS/cups-1.1.6-3.1mdk.i586.rpm
29f054e667705f42d415cebb3cf4b4ab  7.2/RPMS/cups-common-1.1.6-3.1mdk.i586.rpm
d4c1d7f521d4a0029a48f7eb829b3334  7.2/RPMS/cups-devel-1.1.6-3.1mdk.i586.rpm
ad278aa654b3607a77c22c2fd2583fb4  7.2/SRPMS/cups-1.1.6-3.1mdk.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 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.

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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