Multiple vulnerabilities in PostgreSQL

Published: 2020-08-18

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-14349 CVE-2020-14350
CWE-ID	CWE-426
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	PostgreSQL Server applications / Database software
Vendor	PostgreSQL Global Development Group

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Untrusted search path

EUVDB-ID: #VU45748

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-14349

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges within the database.

The vulnerability exists due to the way PostgreSQL handles search_path during replications. Users of a replication publisher or subscriber database can create objects in the public schema and harness them to execute arbitrary SQL functions under the identity running replication, often a superuser.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PostgreSQL: 12.0 - 12.3, 11.0 - 11.8, 10.3 - 10.13

CPE2.3

cpe:2.3:a:postgresql_global_development_group:postgresql:12.3:*:*:*:*:*:*:*

External links

http://www.postgresql.org/about/news/2060

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?

2) Untrusted search path

EUVDB-ID: #VU45749