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Amazon Linux AMI : rpcbind (ALAS-2016-659)

high Nessus Plugin ID 89840

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Synopsis

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

Description

A use-after-free flaw related to the PMAP_CALLIT operation and TCP/UDP connections was discovered in rpcbind. A remote, unauthenticated attacker could possibly exploit this flaw to crash the rpcbind service (denial of service) by performing a series of UDP and TCP calls.

Solution

Run 'yum update rpcbind' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2016-659.html

Plugin Details

Severity: High

ID: 89840

File Name: ala_ALAS-2016-659.nasl

Version: 2.3

Type: local

Agent: unix

Published: 3/11/2016

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:rpcbind, p-cpe:/a:amazon:linux:rpcbind-debuginfo, cpe:/o:amazon:linux

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

Patch Publication Date: 3/10/2016

Reference Information

CVE: CVE-2015-7236

ALAS: 2016-659