RHEL 7 : policycoreutils (RHSA-2017:0536)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

An update for policycoreutils is now available for Red Hat Enterprise
Linux 7.1 Extended Update Support.

Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.

The policycoreutils packages contain the core policy utilities
required to manage a SELinux environment.

Security Fix(es) :

* It was found that the sandbox tool provided in policycoreutils was
vulnerable to a TIOCSTI ioctl attack. A specially crafted program
executed via the sandbox command could use this flaw to execute
arbitrary commands in the context of the parent shell, escaping the
sandbox. (CVE-2016-7545)

See also :

https://www.redhat.com/security/data/cve/CVE-2016-7545.html
http://rhn.redhat.com/errata/RHSA-2017-0536.html

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 5.5
(CVSS2#E:U/RL:U/RC:UC)
Public Exploit Available : false

Family: Red Hat Local Security Checks

Nessus Plugin ID: 97769 ()

Bugtraq ID:

CVE ID: CVE-2016-7545

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