Ubuntu Security Notice (C) 2007-2016 Canonical, Inc. / NASL script (C) 2007-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related
Jeff Trout discovered that the PostgreSQL server did not sufficiently
check data types of SQL function arguments in some cases. An
authenticated attacker could exploit this to crash the database server
or read out arbitrary locations in the server's memory, which could
allow retrieving database content the attacker should not be able to
Jeff Trout reported that the query planner did not verify that a table
was still compatible with a previously made query plan. By using ALTER
COLUMN TYPE during query execution, an attacker could exploit this to
read out arbitrary locations in the server's memory, which could allow
retrieving database content the attacker should not be able to see.
Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.
Update the affected packages.
Risk factor :
High / CVSS Base Score : 8.5