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Amazon Linux AMI : policycoreutils (ALAS-2016-765)

high Nessus Plugin ID 94685

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

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 bash, escaping the sandbox.

Solution

Run 'yum update policycoreutils' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2016-765.html

Plugin Details

Severity: High

ID: 94685

File Name: ala_ALAS-2016-765.nasl

Version: 2.3

Type: local

Agent: unix

Published: 11/11/2016

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.2

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

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:policycoreutils-python, p-cpe:/a:amazon:linux:policycoreutils-newrole, p-cpe:/a:amazon:linux:policycoreutils-debuginfo, p-cpe:/a:amazon:linux:policycoreutils-restorecond, p-cpe:/a:amazon:linux:policycoreutils, cpe:/o:amazon:linux

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

Patch Publication Date: 11/10/2016

Reference Information

CVE: CVE-2016-7545

ALAS: 2016-765