RHEL 2.1 : shadow-utils (RHSA-2003:058)

This script is Copyright (C) 2004-2016 Tenable Network Security, Inc.

Synopsis :

The remote Red Hat host is missing a security update.

Description :

Updated shadow-utils packages are now available. These updated
packages correct a bug that caused the useradd tool to create mail
spools with incorrect permissions.

The shadow-utils package includes programs for converting UNIX
password files to the shadow password format, plus programs for
managing user and group accounts. One of these programs is useradd,
which is used to create or update new user information.

When creating a user account, the version of useradd included in Red
Hat packages creates a mail spool file with incorrectly-set group
ownership. Instead of setting the file's group ownership to the 'mail'
group, it is set to the user's primary group.

On systems where other users share the same primary group, this would
allow those users to be able to read and write other user mailboxes.

These errata packages contain an updated patch to useradd. Where a
mail group exists, mailboxes will be created with group mail having
read and write permissions. Otherwise the mailbox will be created
without group read and write permissions.

All users are advised to upgrade to these updated packages and also to
check the /var/spool/mail directory to ensure that mailboxes have
correct permissions.

See also :


Solution :

Update the affected shadow-utils package.

Risk factor :

Low / CVSS Base Score : 3.6

Family: Red Hat Local Security Checks

Nessus Plugin ID: 12366 ()

Bugtraq ID:

CVE ID: CVE-2002-1509

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