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CVE-2020-1720

Published: 13 February 2020

A flaw was found in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION", where sub-commands did not perform authorization checks. An authenticated attacker could use this flaw in certain configurations to perform drop objects such as function, triggers, et al., leading to database corruption. This issue affects PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17.

Notes

AuthorNote
mdeslaur
affected 9.6 and higher only

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
postgresql-10
Launchpad, Ubuntu, Debian
bionic
Released (10.12-0ubuntu0.18.04.1)
eoan Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

postgresql-11
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan
Released (11.7-0ubuntu0.19.10.1)
trusty Does not exist

upstream Needs triage

xenial Does not exist

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

trusty Does not exist

upstream Needs triage

xenial Not vulnerable

eoan Does not exist

postgresql-12
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

trusty Does not exist

upstream
Released (12.2-1)
xenial Does not exist

postgresql-9.1
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

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

eoan Does not exist

trusty Not vulnerable

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N