Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : postgresql-9.3, postgresql-9.5, postgresql-9.6 vulnerabilities (USN-3390-1)

Ubuntu Security Notice (C) 2017 Canonical, Inc. / NASL script (C) 2017 Tenable Network Security, Inc.

Synopsis :

The remote Ubuntu host is missing one or more security-related

Description :

Ben de Graaff, Jelte Fennema, and Jeroen van der Ham discovered that
PostgreSQL allowed the use of empty passwords in some authentication
methods, contrary to expected behaviour. A remote attacker could use
an empty password to authenticate to servers that were believed to
have password login disabled. (CVE-2017-7546)

Jeff Janes discovered that PostgreSQL incorrectly handled the
pg_user_mappings catalog view. A remote attacker without server
privileges could possibly use this issue to obtain certain passwords.

Chapman Flack discovered that PostgreSQL incorrectly handled lo_put()
permissions. A remote attacker could possibly use this issue to change
the data in a large object. (CVE-2017-7548).

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.

Solution :

Update the affected postgresql-9.3, postgresql-9.5 and / or
postgresql-9.6 packages.

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.2
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 102522 ()

Bugtraq ID:

CVE ID: CVE-2017-7546

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