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
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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:

Exploit availability:

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: 10.3 - 12.3

Fixed software versions

CPE2.3 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

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-14350

CWE-ID:

Exploit availability:

Description

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

The vulnerability exists due to the way PostgreSQL handles CREATE EXTENSION statements. A remote user with permission to create objects in the new extension's schema or a schema of a prerequisite extension can execute arbitrary SQL functions under the identity of the superuser in certain cases.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PostgreSQL: 9.5 - 12.3

Fixed software versions

CPE2.3 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?



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