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CVE-2018-1053

Published: 7 February 2018

In postgresql 9.3.x before 9.3.21, 9.4.x before 9.4.16, 9.5.x before 9.5.11, 9.6.x before 9.6.7 and 10.x before 10.2, pg_upgrade creates file in current working directory containing the output of `pg_dumpall -g` under umask which was in effect when the user invoked pg_upgrade, and not under 0077 which is normally used for other temporary files. This can allow an authenticated attacker to read or modify the one file, which may contain encrypted or unencrypted database passwords. The attack is infeasible if a directory mode blocks the attacker searching the current working directory or if the prevailing umask blocks the attacker opening the file.

Priority

Low

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
postgresql-10
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(10.2-1)
cosmic Not vulnerable
(10.2-1)
disco Does not exist

trusty Does not exist

upstream
Released (10.2-1)
xenial Does not exist

Patches:
upstream: https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=6ba52aeb24e62586b51e77723d87627c18a844ca
postgresql-9.1
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Does not exist

postgresql-9.3
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

trusty
Released (9.3.21-0ubuntu0.14.0)
upstream Needs triage

xenial Does not exist

postgresql-9.4
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

postgresql-9.5
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

trusty Does not exist

upstream Needs triage

xenial
Released (9.5.11-0ubuntu0.16.04)
postgresql-9.6
Launchpad, Ubuntu, Debian
artful
Released (9.6.7-0ubuntu0.17.10)
bionic Does not exist

cosmic Does not exist

disco Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.0
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H