CentOS Update for autofs5 CESA-2007:1177 centos4 i386

Published: 2009-02-27 07:31:09
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:

Check for the Version of autofs5

Affected Versions:
autofs5 on CentOS 4

Please Install the Updated Packages.

Technical Details:
The autofs utility controls the operation of the automount daemon, which automatically mounts file systems when you use them, and unmounts them when you are not using them. This can include network file systems and CD-ROMs. The autofs5 Linux Distribution Packages were made available as a technology preview in Red Hat Enterprise Linux 4.6. There was a security issue with the default configuration of autofs version 5, whereby the entry for the " -hosts" map did not specify the " nodev" mount option. A local user with control of a remote NFS server could create special device files on the remote file system, that if mounted using the default " -hosts" map, could allow the user to access important system devices. (CVE-2007-6285) This issue is similar to CVE-2007-5964, which fixed a missing " nosuid" mount option in autofs. Both the " nodev" and " nosuid" options should be enabled to prevent a possible compromise of machine integrity. Due to the fact that autofs always mounted " -hosts" map entries " dev" by default, autofs has now been altered to always use the " nodev" option when mounting from the default " -hosts" map. The " dev" 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. All autofs5 users are advised to upgrade to these updated Linux Distribution Packages, which resolve this issue. Red Hat would like to thank Tim Baum for reporting this issue.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)




CVSS Score
CentOS Local Security Checks

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