#VU18422 Permissions, Privileges, and Access Controls in PostgreSQL - CVE-2019-10128

Vulnerability identifier: #VU18422

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-10128

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
PostgreSQL
Server applications / Database software

Vendor: PostgreSQL Global Development Group

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the EnterpriseDB Windows installer does not remove permissive ACL entries from installed files and directories. A local user can gain unauthorized access to PostgreSQL directory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

PostgreSQL: 9.4.0 - 9.4.21, 9.5.0 - 9.5.16, 9.6.0 - 9.6.12, 10.0 - 11.2

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External links
https://www.postgresql.org/about/news/1939/

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.