Amazon Linux AMI : postgresql93 / postgresql94,postgresql95 (ALAS-2018-1079)

high Nessus Plugin ID 117603

Synopsis

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

Description

A vulnerability was found in libpq, the default PostgreSQL client library where libpq failed to properly reset its internal state between connections. If an affected version of libpq were used with 'host' or 'hostaddr' connection parameters from untrusted input, attackers could bypass client-side connection security features, obtain access to higher privileged connections or potentially cause other impact through SQL injection, by causing the PQescape() functions to malfunction.(CVE-2018-10915)

It was discovered that PostgreSQL failed to properly check authorization on certain statements involved with 'INSERT ... ON CONFLICT DO UPDATE'. An attacker with 'CREATE TABLE' privileges could exploit this to read arbitrary bytes server memory. If the attacker also had certain 'INSERT' and limited 'UPDATE' privileges to a particular table, they could exploit this to update other columns in the same table.(CVE-2018-10925)

Solution

Run 'yum update postgresql93' to update your system.

Run 'yum update postgresql94' to update your system.

Run 'yum update postgresql95' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2018-1079.html

Plugin Details

Severity: High

ID: 117603

File Name: ala_ALAS-2018-1079.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/20/2018

Updated: 10/19/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6

Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P

CVSS v3

Risk Factor: High

Base Score: 8.1

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:postgresql93, p-cpe:/a:amazon:linux:postgresql93-contrib, p-cpe:/a:amazon:linux:postgresql93-debuginfo, p-cpe:/a:amazon:linux:postgresql93-devel, p-cpe:/a:amazon:linux:postgresql93-docs, p-cpe:/a:amazon:linux:postgresql93-libs, p-cpe:/a:amazon:linux:postgresql93-plperl, p-cpe:/a:amazon:linux:postgresql93-plpython26, p-cpe:/a:amazon:linux:postgresql93-plpython27, p-cpe:/a:amazon:linux:postgresql93-pltcl, p-cpe:/a:amazon:linux:postgresql93-server, p-cpe:/a:amazon:linux:postgresql93-test, p-cpe:/a:amazon:linux:postgresql94, p-cpe:/a:amazon:linux:postgresql94-contrib, p-cpe:/a:amazon:linux:postgresql94-debuginfo, p-cpe:/a:amazon:linux:postgresql94-devel, p-cpe:/a:amazon:linux:postgresql94-docs, p-cpe:/a:amazon:linux:postgresql94-libs, p-cpe:/a:amazon:linux:postgresql94-plperl, p-cpe:/a:amazon:linux:postgresql94-plpython26, p-cpe:/a:amazon:linux:postgresql94-plpython27, p-cpe:/a:amazon:linux:postgresql94-server, p-cpe:/a:amazon:linux:postgresql94-test, p-cpe:/a:amazon:linux:postgresql95, p-cpe:/a:amazon:linux:postgresql95-contrib, p-cpe:/a:amazon:linux:postgresql95-debuginfo, p-cpe:/a:amazon:linux:postgresql95-devel, p-cpe:/a:amazon:linux:postgresql95-docs, p-cpe:/a:amazon:linux:postgresql95-libs, p-cpe:/a:amazon:linux:postgresql95-plperl, p-cpe:/a:amazon:linux:postgresql95-plpython26, p-cpe:/a:amazon:linux:postgresql95-plpython27, p-cpe:/a:amazon:linux:postgresql95-server, p-cpe:/a:amazon:linux:postgresql95-static, p-cpe:/a:amazon:linux:postgresql95-test, cpe:/o:amazon:linux

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

Patch Publication Date: 9/19/2018

Reference Information

CVE: CVE-2018-10915, CVE-2018-10925

ALAS: 2018-1079