This script is Copyright (C) 2007-2015 Tenable Network Security, Inc.
The remote Red Hat host is missing a security update.
Updated Red Hat Enterprise Linux 4 Technology Preview autofs5 packages
are now available to fix a security flaw.
This update has been rated as having important security impact by the
Red Hat Security Response Team.
The autofs utility controls the operation of the automount daemon,
which automatically mounts and unmounts file systems after a period of
inactivity. The autofs version 5 package was made available as a
technology preview in Red Hat Enterprise Linux version 4.6.
There was a security issue with the default installed configuration of
autofs version 5 whereby the entry for the 'hosts' map did not specify
the 'nosuid' mount option. A local user with control of a remote nfs
server could create a setuid root executable within an exported
filesystem on the remote nfs server that, if mounted using the default
hosts map, would allow the user to gain root privileges.
Due to the fact that autofs version 5 always mounted hosts map entries
suid by default, autofs has now been altered to always use the
'nosuid' option when mounting from the default hosts map. The 'suid'
option must be explicitly given in the master map entry to revert to
the old behavior. This change affects only the hosts map which
corresponds to the /net entry in the default configuration.
Users are advised to upgrade to these updated autofs5 packages, which
resolve this issue.
Red Hat would like to thank Josh Lange for reporting this issue.
See also :
Update the affected autofs5 package.
Risk factor :
Medium / CVSS Base Score : 6.9
CVSS Temporal Score : 6.0
Public Exploit Available : true
Family: Red Hat Local Security Checks
Nessus Plugin ID: 29693 ()
Bugtraq ID: 26841
CVE ID: CVE-2007-5964
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