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________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           pam
Advisory ID:            MDKSA-2003:017-1
Date:                   April 28th, 2003
Original Advisory Date: February 18th, 2003
Affected versions:	8.2, 9.0, Corporate Server 2.1,
			Multi Network Firewall 8.2
________________________________________________________________________

Problem Description:

 Andreas Beck discovered that the pam_xauth module would forward
 authorization information from the root account to unprivileged users.  
 This can be exploited by a local attacker to gain access to the root 
 user's X session.  In order for it to be successfully exploited, the 
 attacker would have to somehow get the root user to su to the account 
 belonging to the attacker.
  
Update:

 The previous fix was incorrect because certain applications, such as
 userdrake and net_monitor could not be executed as root, although they
 could be executed as users who successfully authenticated as root.
________________________________________________________________________

References:
  
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1160
________________________________________________________________________

Updated Packages:
  
 Corporate Server 2.1:
 642e1ead88ac4679f9bbad1d8174a79b  corporate/2.1/RPMS/pam-0.75-25.2mdk.i586.rpm
 47879bd2cd7468565296c804214e7fa4 
 corporate/2.1/RPMS/pam-devel-0.75-25.2mdk.i586.rpm
 e421f141318950a00d5efd745726643a 
 corporate/2.1/RPMS/pam-doc-0.75-25.2mdk.i586.rpm
 aeddf8bd57bf469e2a1ff293471c7585  corporate/2.1/SRPMS/pam-0.75-25.2mdk.src.rpm

 Mandrake Linux 8.2:
 709506d5d500486efcc5d35a543fe9b3  8.2/RPMS/pam-0.75-25.2mdk.i586.rpm
 9371a15d63964d3dce4181482afdbed5  8.2/RPMS/pam-devel-0.75-25.2mdk.i586.rpm
 44e824293900efca4d55d659d4d5a217  8.2/RPMS/pam-doc-0.75-25.2mdk.i586.rpm
 aeddf8bd57bf469e2a1ff293471c7585  8.2/SRPMS/pam-0.75-25.2mdk.src.rpm

 Mandrake Linux 8.2/PPC:
 525eed58c1581c301a57489164d7a698  ppc/8.2/RPMS/pam-0.75-25.2mdk.ppc.rpm
 7db1aed626b2413e0f3c1b4c555de6dd  ppc/8.2/RPMS/pam-devel-0.75-25.2mdk.ppc.rpm
 88ce92857b13e18100cf42091f3f0fee  ppc/8.2/RPMS/pam-doc-0.75-25.2mdk.ppc.rpm
 aeddf8bd57bf469e2a1ff293471c7585  ppc/8.2/SRPMS/pam-0.75-25.2mdk.src.rpm

 Mandrake Linux 9.0:
 642e1ead88ac4679f9bbad1d8174a79b  9.0/RPMS/pam-0.75-25.2mdk.i586.rpm
 47879bd2cd7468565296c804214e7fa4  9.0/RPMS/pam-devel-0.75-25.2mdk.i586.rpm
 e421f141318950a00d5efd745726643a  9.0/RPMS/pam-doc-0.75-25.2mdk.i586.rpm
 aeddf8bd57bf469e2a1ff293471c7585  9.0/SRPMS/pam-0.75-25.2mdk.src.rpm

 Multi Network Firewall 8.2:
 709506d5d500486efcc5d35a543fe9b3  mnf8.2/RPMS/pam-0.75-25.2mdk.i586.rpm
 aeddf8bd57bf469e2a1ff293471c7585  mnf8.2/SRPMS/pam-0.75-25.2mdk.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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