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Amazon Linux AMI : nss (ALAS-2017-848)

high Nessus Plugin ID 101001

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Synopsis

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

Description

NULL pointer dereference when handling empty SSLv2 messages :

A NULL pointer dereference flaw was found in the way NSS handled empty SSLv2 messages. An attacker could use this flaw to crash a server application compiled against the NSS library. (CVE-2017-7502)

Solution

Run 'yum update nss' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-848.html

Plugin Details

Severity: High

ID: 101001

File Name: ala_ALAS-2017-848.nasl

Version: 3.3

Type: local

Agent: unix

Published: 6/23/2017

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:nss, p-cpe:/a:amazon:linux:nss-debuginfo, p-cpe:/a:amazon:linux:nss-devel, p-cpe:/a:amazon:linux:nss-pkcs11-devel, p-cpe:/a:amazon:linux:nss-sysinit, p-cpe:/a:amazon:linux:nss-tools, cpe:/o:amazon:linux

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

Patch Publication Date: 6/22/2017

Reference Information

CVE: CVE-2017-7502

ALAS: 2017-848