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________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           libsafe
Advisory ID:            MDKSA-2002:026
Date:                   April 11th, 2002
Affected versions:      7.1, 7.2, 8.0, 8.1, Corporate Server 1.0.1,
                        Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

 Wojciech Purczynski discovered that format string protection in libsafe
 can be easily bypassed by using flag characters that are implemented in
 glibc but are not implemented in libsafe.  It was also discovered that
 *printf function wrappers incorrectly parse argument indexing in format
 strings, making some incorrect assumptions on the number of arguments
 and conversion specifications.

 These problems were fixed by the libsafe authors in 2.0-12.
________________________________________________________________________

References:

 http://online.securityfocus.com/bid/4326
http://online.securityfocus.com/bid/4327
________________________________________________________________________

Updated Packages:

 Linux-Mandrake 7.1:
 2e5051889cc2aa3c6aec0f9e284d627c  7.1/RPMS/libsafe-2.0.13-1.2mdk.i586.rpm
 9a8f35d46d0f59b02cfdde585ad26520  7.1/SRPMS/libsafe-2.0.13-1.2mdk.src.rpm

 Linux-Mandrake 7.2:
 4a709ce0e447ee0b419adfd29a8c3e5e  7.2/RPMS/libsafe-2.0.13-1.3mdk.i586.rpm
 07f1c27a01efc4934d4ecf21c9b16519  7.2/SRPMS/libsafe-2.0.13-1.3mdk.src.rpm

 Mandrake Linux 8.0:
 1d0a81906bbc693b0509816013acac98  8.0/RPMS/libsafe-2.0.13-1.2mdk.i586.rpm
 9a8f35d46d0f59b02cfdde585ad26520  8.0/SRPMS/libsafe-2.0.13-1.2mdk.src.rpm

 Mandrake Linux 8.1:
 2ec21f68a7521aed44aa5d31be8d7da9  8.1/RPMS/libsafe-2.0.13-1.2mdk.i586.rpm
 9a8f35d46d0f59b02cfdde585ad26520  8.1/SRPMS/libsafe-2.0.13-1.2mdk.src.rpm

 Mandrake Linux 8.2:
 4de44dea8f94c02d3f4350479dafe4e5  8.2/RPMS/libsafe-2.0.13-1.2mdk.i586.rpm
 9a8f35d46d0f59b02cfdde585ad26520  8.2/SRPMS/libsafe-2.0.13-1.2mdk.src.rpm

 Corporate Server 1.0.1:
 2e5051889cc2aa3c6aec0f9e284d627c  1.0.1/RPMS/libsafe-2.0.13-1.2mdk.i586.rpm
 9a8f35d46d0f59b02cfdde585ad26520  1.0.1/SRPMS/libsafe-2.0.13-1.2mdk.src.rpm

 Single Network Firewall 7.2:
 4a709ce0e447ee0b419adfd29a8c3e5e  snf7.2/RPMS/libsafe-2.0.13-1.3mdk.i586.rpm
 07f1c27a01efc4934d4ecf21c9b16519  snf7.2/SRPMS/libsafe-2.0.13-1.3mdk.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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