CVE-2020-1720

Publication date 13 February 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
postgresql-10	19.10 eoan	Not in release
	18.04 LTS bionic	Fixed 10.12-0ubuntu0.18.04.1
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
postgresql-11	19.10 eoan	Fixed 11.7-0ubuntu0.19.10.1
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
postgresql-12	19.10 eoan	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
postgresql-9.1	19.10 eoan	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
postgresql-9.3	19.10 eoan	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not affected
postgresql-9.5	19.10 eoan	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

mdeslaur

affected 9.6 and higher only

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
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

References

Related Ubuntu Security Notices (USN)

USN-4282-1
PostgreSQL vulnerability
18 February 2020