CVE-2021-32028

postgresql: Memory disclosure in INSERT ... ON CONFLICT ... DO UPDATE

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in postgresql. Using an INSERT ... ON CONFLICT ... DO UPDATE command on a purpose-crafted table, an authenticated database user could read arbitrary bytes of server memory. The highest threat from this vulnerability is to data confidentiality.

Se ha encontrado un fallo en postgresql. Usando un comando INSERT ... ON CONFLICT ... DO UPDATE en una tabla diseñada a tal efecto, un usuario autenticado de la base de datos podía leer bytes arbitrarios de la memoria del servidor. La mayor amenaza de esta vulnerabilidad es la confidencialidad de los datos

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-05-04 CVE Reserved
2021-05-28 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (5)

URL	Tag	Source
https://security.netapp.com/advisory/ntap-20211112-0003	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1956877	2021-06-14

URL	Date	SRC
https://security.gentoo.org/glsa/202211-04	2023-01-31
https://www.postgresql.org/support/security/CVE-2021-32028	2023-01-31
https://access.redhat.com/security/cve/CVE-2021-32028	2021-06-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				>= 9.6.0 < 9.6.22 Search vendor "Postgresql" for product "Postgresql" and version " >= 9.6.0 < 9.6.22"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				>= 10.0 < 10.17 Search vendor "Postgresql" for product "Postgresql" and version " >= 10.0 < 10.17"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				>= 11.0 < 11.12 Search vendor "Postgresql" for product "Postgresql" and version " >= 11.0 < 11.12"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				>= 12.0 < 12.7 Search vendor "Postgresql" for product "Postgresql" and version " >= 12.0 < 12.7"		-		Affected
Postgresql Search vendor "Postgresql"		Postgresql Search vendor "Postgresql" for product "Postgresql"				>= 13.0 < 13.3 Search vendor "Postgresql" for product "Postgresql" and version " >= 13.0 < 13.3"		-		Affected