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CVE-2016-5423

Published: 11 August 2016

PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.

Priority

Medium

Cvss 3 Severity Score

8.3

Score breakdown

Status

Package Release Status
postgresql-9.5
Launchpad, Ubuntu, Debian
xenial
Released (9.5.4-0ubuntu0.16.04)
zesty Does not exist

upstream
Released (9.5.4)
precise Does not exist

trusty Does not exist

yakkety Not vulnerable
(9.5.4-1)
Patches:
upstream: https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=f0c7b789ab12fbc8248b671c7882dd96ac932ef4
postgresql-9.3
Launchpad, Ubuntu, Debian
upstream
Released (9.3.14)
precise Does not exist

trusty
Released (9.3.14-0ubuntu0.14.04)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

postgresql-9.1
Launchpad, Ubuntu, Debian
upstream
Released (9.1.23)
precise
Released (9.1.23-0ubuntu0.12.04)
trusty
Released (9.1.23-0ubuntu0.14.04)
xenial Does not exist

yakkety Does not exist

zesty Does not exist

postgresql-8.4
Launchpad, Ubuntu, Debian
upstream Needs triage

precise Ignored
(end of life)
trusty Does not exist

xenial Does not exist

yakkety Does not exist

zesty Does not exist

Severity score breakdown

Parameter Value
Base score 8.3
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H