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RHEL 6 / 7 : policycoreutils (RHSA-2016:2702)

high Nessus Plugin ID 94896

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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 6 and Red Hat Enterprise Linux 7.

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)

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2016:2702

https://access.redhat.com/security/cve/cve-2016-7545

Plugin Details

Severity: High

ID: 94896

File Name: redhat-RHSA-2016-2702.nasl

Version: 2.12

Type: local

Agent: unix

Published: 11/15/2016

Updated: 10/24/2019

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:policycoreutils, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.3, cpe:/o:redhat:enterprise_linux:7.4, p-cpe:/a:redhat:enterprise_linux:policycoreutils-python, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7.5, p-cpe:/a:redhat:enterprise_linux:policycoreutils-sandbox, cpe:/o:redhat:enterprise_linux:7.7, p-cpe:/a:redhat:enterprise_linux:policycoreutils-restorecond, p-cpe:/a:redhat:enterprise_linux:policycoreutils-debuginfo, p-cpe:/a:redhat:enterprise_linux:policycoreutils-devel, p-cpe:/a:redhat:enterprise_linux:policycoreutils-newrole, p-cpe:/a:redhat:enterprise_linux:policycoreutils-gui, cpe:/o:redhat:enterprise_linux:7.6

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/14/2016

Vulnerability Publication Date: 1/19/2017

Reference Information

CVE: CVE-2016-7545

RHSA: 2016:2702