CVE-2017-7547

Affected: postgresql

PostgreSQL versions before 9.2.22, 9.3.18, 9.4.13, 9.5.8 and 9.6.4 are vulnerable to authorization flaw allowing remote authenticated attackers to retrieve passwords from the user mappings defined by the foreign server owners without actually having the privileges to do so.

USN-3390-1 — postgresql-9.3, postgresql-9.5, postgresql-9.6 vulnerabilities

Affected: Ubuntu:14.04:LTS: postgresql-9.3, Ubuntu:16.04:LTS: postgresql-9.5

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. (CVE-2017-7547)

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)

Most recent entries from all

CVE-2017-7547

USN-3390-1 — postgresql-9.3, postgresql-9.5, postgresql-9.6 vulnerabilities