Amazon Linux AMI : postgresql95 / postgresql96 (ALAS-2017-930)

This script is Copyright (C) 2017 Tenable Network Security, Inc.

Synopsis :

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

Description :

Privilege escalation flaws were found in the initialization scripts of
PostgreSQL. A remote attacker with access to the postgres user account
could use these flaws to obtain root access on the server

INSERT ... ON CONFLICT DO UPDATE commands in PostgreSQL disclose table
contents that the invoker lacks privilege to read. These exploits
affect only tables where the attacker lacks full read access but has
both INSERT and UPDATE privileges. Exploits bypass row level security
policies and lack of SELECT privilege.(CVE-2017-15099)

Invalid json_populate_recordset or jsonb_populate_recordset function
calls in PostgreSQL can crash the server or disclose a few bytes of
server memory.(CVE-2017-15098)

See also :

Solution :

Run 'yum update postgresql95' to update your system.

Run 'yum update postgresql96' to update your system.

Risk factor :

High / CVSS Base Score : 7.2

Family: Amazon Linux Local Security Checks

Nessus Plugin ID: 105054 ()

Bugtraq ID:

CVE ID: CVE-2017-12172

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