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This script is Copyright (C) 2012 Tenable Network Security, Inc.
The remote Scientific Linux host is missing one or more security
The policycoreutils packages contain the core utilities that are
required for the basic operation of a Security-Enhanced Linux
(SELinux) system and its policies.
It was discovered that the seunshare utility did not enforce proper
file permissions on the directory used as an alternate temporary
directory mounted as /tmp/. A local user could use this flaw to
overwrite files or, possibly, execute arbitrary code with the
privileges of a setuid or setgid application that relies on proper
/tmp/ permissions, by running that application via seunshare.
This update also introduces the following changes :
- The seunshare utility was moved from the main
policycoreutils subpackage to the
policycoreutils-sandbox subpackage. This utility is only
required by the sandbox feature and does not need to be
installed by default.
- Updated selinux-policy packages that add the SELinux
policy changes required by the seunshare fixes.
All policycoreutils users should upgrade to these updated packages,
which correct this issue.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 6.9
Family: Scientific Linux Local Security Checks
Nessus Plugin ID: 61009 ()
CVE ID: CVE-2011-1011
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