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Mandrake: pam information leak vulnerability Print E-mail
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Posted by LinuxSecurity.com Team   
Mandrake Andreas Beck discovered that the pam_xauth module would forward authorization information from the root account to unprivileged users.

________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           pam
Advisory ID:            MDKSA-2003:017
Date:                   February 18th, 2003

Affected versions:      8.1, 8.2, 9.0, 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.
________________________________________________________________________

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

Updated Packages:
  
 Mandrake Linux 8.1:
 012c289119d2c3e1f13e086eb46603b0  8.1/RPMS/pam-0.75-25.1mdk.i586.rpm
 f39c461c65b06233e97bfc86a3c847f4  8.1/RPMS/pam-devel-0.75-25.1mdk.i586.rpm
 d461c8185df78f0dfc6035ae195500b8  8.1/RPMS/pam-doc-0.75-25.1mdk.i586.rpm
 376bd2062e8fb2128008bc6075bae8d1  8.1/RPMS/pam_ldap-156-1.1mdk.i586.rpm
 a1afc044aef022370275316123e9cbc5  8.1/SRPMS/pam-0.75-25.1mdk.src.rpm

 Mandrake Linux 8.1/IA64:
 e5fde05f5d39182a6b253ba9ead66043  ia64/8.1/RPMS/pam-0.75-25.1mdk.ia64.rpm
 eae2fdd91901a61cd8d22dddf35f03c2  ia64/8.1/RPMS/pam-devel-0.75-25.1mdk.ia64.rpm
 1f842b6909b7c31c003b62e4b4997706  ia64/8.1/RPMS/pam-doc-0.75-25.1mdk.ia64.rpm
 f22145546bff2930131da1b2503692ce  ia64/8.1/RPMS/pam_ldap-156-1.1mdk.ia64.rpm
 a1afc044aef022370275316123e9cbc5  ia64/8.1/SRPMS/pam-0.75-25.1mdk.src.rpm

 Mandrake Linux 8.2:
 6f9d110a83450b1358384ea19e23a812  8.2/RPMS/pam-0.75-25.1mdk.i586.rpm
 ef33ba24e3fc431a89b0fba7031d55b8  8.2/RPMS/pam-devel-0.75-25.1mdk.i586.rpm
 00fb03da32fcdef0b0a27ae1fb88307d  8.2/RPMS/pam-doc-0.75-25.1mdk.i586.rpm
 16b952b71669460c7c4b9441b37e2014  8.2/RPMS/pam_ldap-156-1.1mdk.i586.rpm
 a1afc044aef022370275316123e9cbc5  8.2/SRPMS/pam-0.75-25.1mdk.src.rpm

 Mandrake Linux 8.2/PPC:
 272b33cad29ea3ddecd03a56bab0b727  ppc/8.2/RPMS/pam-0.75-25.1mdk.ppc.rpm
 8861331f5d5218ac5116813cc03abad0  ppc/8.2/RPMS/pam-devel-0.75-25.1mdk.ppc.rpm
 08d5a458fab9e006344d87d7fe67168d  ppc/8.2/RPMS/pam-doc-0.75-25.1mdk.ppc.rpm
 0b73c3aba3ab7bdd2548a69934fa79f0  ppc/8.2/RPMS/pam_ldap-156-1.1mdk.ppc.rpm
 a1afc044aef022370275316123e9cbc5  ppc/8.2/SRPMS/pam-0.75-25.1mdk.src.rpm

 Mandrake Linux 9.0:
 dc82d88d63dafc3668e7ab4f1d09d404  9.0/RPMS/pam-0.75-25.1mdk.i586.rpm
 ca86fc0f07855ced3f9ed7793608d376  9.0/RPMS/pam-devel-0.75-25.1mdk.i586.rpm
 65545ca4597990fb5ccf0218a2b6c922  9.0/RPMS/pam-doc-0.75-25.1mdk.i586.rpm
 b70c25f7b8a3b5f86149dd199003a4ff  9.0/RPMS/pam_ldap-156-1.1mdk.i586.rpm
 a1afc044aef022370275316123e9cbc5  9.0/SRPMS/pam-0.75-25.1mdk.src.rpm

 Multi Network Firewall 8.2:
 6f9d110a83450b1358384ea19e23a812  mnf8.2/RPMS/pam-0.75-25.1mdk.i586.rpm
 a1afc044aef022370275316123e9cbc5  mnf8.2/SRPMS/pam-0.75-25.1mdk.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 

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
  



 
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