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Amazon Linux AMI : util-linux (ALAS-2017-823)

medium Nessus Plugin ID 99711

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Synopsis

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

Description

Sending SIGKILL to other processes with root privileges via su :

A race condition was found in the way su handled the management of child processes. A local authenticated attacker could use this flaw to kill other processes with root privileges under specific conditions.(CVE-2017-2616)

Solution

Run 'yum update util-linux' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-823.html

Plugin Details

Severity: Medium

ID: 99711

File Name: ala_ALAS-2017-823.nasl

Version: 3.3

Type: local

Agent: unix

Published: 4/28/2017

Updated: 9/24/2018

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.7

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

CVSS v3

Risk Factor: Medium

Base Score: 4.7

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libmount-devel, p-cpe:/a:amazon:linux:util-linux, p-cpe:/a:amazon:linux:libmount, p-cpe:/a:amazon:linux:util-linux-debuginfo, p-cpe:/a:amazon:linux:libblkid, p-cpe:/a:amazon:linux:libuuid-devel, p-cpe:/a:amazon:linux:libuuid, p-cpe:/a:amazon:linux:uuidd, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:libblkid-devel

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

Patch Publication Date: 4/27/2017

Reference Information

CVE: CVE-2017-2616

ALAS: 2017-823