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Amazon Linux AMI : postgresql92 / postgresql93,postgresql94 (ALAS-2016-747)

high Nessus Plugin ID 93539

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Synopsis

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

Description

A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code. (CVE-2016-5423)

A flaw was found in the way PostgreSQL client programs handled database and role names containing newlines, carriage returns, double quotes, or backslashes. By crafting such an object name, roles with the CREATEDB or CREATEROLE option could escalate their privileges to superuser when a superuser next executes maintenance with a vulnerable client program. (CVE-2016-5424)

Solution

Run 'yum update postgresql92' to update your system.

Run 'yum update postgresql93' to update your system.

Run 'yum update postgresql94' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2016-747.html

Plugin Details

Severity: High

ID: 93539

File Name: ala_ALAS-2016-747.nasl

Version: 2.6

Type: local

Agent: unix

Published: 9/16/2016

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

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

CVSS v3

Risk Factor: High

Base Score: 8.3

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:postgresql93-contrib, p-cpe:/a:amazon:linux:postgresql92-pltcl, p-cpe:/a:amazon:linux:postgresql94-docs, p-cpe:/a:amazon:linux:postgresql93-pltcl, p-cpe:/a:amazon:linux:postgresql92-contrib, p-cpe:/a:amazon:linux:postgresql93-plperl, p-cpe:/a:amazon:linux:postgresql93-plpython27, p-cpe:/a:amazon:linux:postgresql92-plpython27, p-cpe:/a:amazon:linux:postgresql92-plpython26, p-cpe:/a:amazon:linux:postgresql94-libs, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:postgresql94, p-cpe:/a:amazon:linux:postgresql92-libs, p-cpe:/a:amazon:linux:postgresql92-server, p-cpe:/a:amazon:linux:postgresql93-plpython26, p-cpe:/a:amazon:linux:postgresql92-docs, p-cpe:/a:amazon:linux:postgresql93-test, p-cpe:/a:amazon:linux:postgresql92-plperl, p-cpe:/a:amazon:linux:postgresql93-server, p-cpe:/a:amazon:linux:postgresql92-devel, p-cpe:/a:amazon:linux:postgresql93-libs, p-cpe:/a:amazon:linux:postgresql94-contrib, p-cpe:/a:amazon:linux:postgresql92, p-cpe:/a:amazon:linux:postgresql93-debuginfo, p-cpe:/a:amazon:linux:postgresql94-debuginfo, p-cpe:/a:amazon:linux:postgresql92-debuginfo, p-cpe:/a:amazon:linux:postgresql94-plperl, p-cpe:/a:amazon:linux:postgresql94-plpython27, p-cpe:/a:amazon:linux:postgresql94-test, p-cpe:/a:amazon:linux:postgresql92-test, p-cpe:/a:amazon:linux:postgresql93, p-cpe:/a:amazon:linux:postgresql92-server-compat, p-cpe:/a:amazon:linux:postgresql94-plpython26, p-cpe:/a:amazon:linux:postgresql94-server, p-cpe:/a:amazon:linux:postgresql94-devel, p-cpe:/a:amazon:linux:postgresql93-docs, p-cpe:/a:amazon:linux:postgresql93-devel

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

Patch Publication Date: 9/15/2016

Reference Information

CVE: CVE-2016-5423, CVE-2016-5424

ALAS: 2016-747