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Mandrake: shadow-utils improper group vulnerability Print E-mail
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Posted by Team   
Mandrake When useradd creates an account, it would create it with improper permissions; instead of having it owned by the group mail, it would be owned by the user's primary group.


                Mandrake Linux Security Update Advisory

Package name:           shadow-utils
Advisory ID:            MDKSA-2003:026
Date:                   February 26th, 2003

Affected versions:      8.1, 8.2, 9.0, Multi Network Firewall 8.2

Problem Description:

 The shadow-utils package contains the tool useradd, which is used to
 create or update new user information.  When useradd creates an
 account, it would create it with improper permissions; instead of
 having it owned by the group mail, it would be owned by the user's
 primary group.  If this is a shared group (ie. "users"), then all
 members of the shared group would be able to obtain access to the
 mail spools of other members of the same group.  A patch to useradd
 has been applied to correct this problem.


Updated Packages:

 Mandrake Linux 8.1:
 d93c4cb6a8a6335f36982242e655937c  8.1/RPMS/shadow-utils-20000902-2.1mdk.i586.rpm
 55585fdbad9b036c4d75d041ba49959f  8.1/SRPMS/shadow-utils-20000902-2.1mdk.src.rpm

 Mandrake Linux 8.1/IA64:
 68f2dcf5eabd26c28a280c1b6636d600  ia64/8.1/RPMS/shadow-utils-20000902-2.1mdk.ia64.rpm
 55585fdbad9b036c4d75d041ba49959f  ia64/8.1/SRPMS/shadow-utils-20000902-2.1mdk.src.rpm

 Mandrake Linux 8.2:
 2efd1aecd7bc0bfab1a63fcbc771c807  8.2/RPMS/shadow-utils-20000902-5.1mdk.i586.rpm
 173215e735d47ac3e47de40f7db929ba  8.2/SRPMS/shadow-utils-20000902-5.1mdk.src.rpm

 Mandrake Linux 8.2/PPC:
 075fed13279baf3b2fbd6680da785a36  ppc/8.2/RPMS/shadow-utils-20000902-5.1mdk.ppc.rpm
 173215e735d47ac3e47de40f7db929ba  ppc/8.2/SRPMS/shadow-utils-20000902-5.1mdk.src.rpm

 Mandrake Linux 9.0:
 4aec1f507ffde87dd10299f31cb20b84  9.0/RPMS/shadow-utils-20000902-8.1mdk.i586.rpm
 ea8bb79641b11a029eb7c989f8606ec8  9.0/SRPMS/shadow-utils-20000902-8.1mdk.src.rpm

 Multi Network Firewall 8.2:
 2efd1aecd7bc0bfab1a63fcbc771c807  mnf8.2/RPMS/shadow-utils-20000902-5.1mdk.i586.rpm
 173215e735d47ac3e47de40f7db929ba  mnf8.2/SRPMS/shadow-utils-20000902-5.1mdk.src.rpm

Bug IDs fixed (see 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:

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:

Please be aware that sometimes it takes the mirrors a few hours to

You can view other update advisories for Mandrake Linux at:

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to.  Information on these lists can be obtained by

If you want to report vulnerabilities, please contact
Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team

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