CVE-2019-10128 - EDB supplied PostgreSQL inherits ACL for installation directory

First Published: 2021/03/19

Last Updated: 2022/01/01

Summary

A vulnerability was found in PostgreSQL versions 11.x prior to 11.3. The Windows installer for EnterpriseDB-supplied PostgreSQL does not lock down the ACL of the binary installation directory or the ACL of the data directory; it keeps the inherited ACL. In the default configuration, this allows a local attacker to read arbitrary data directory files, essentially bypassing database-imposed read access limitations. In plausible non-default configurations, an attacker having both an unprivileged Windows account and an unprivileged PostgreSQL account can cause the PostgreSQL service account to execute arbitrary code.

Vulnerability details

CVE-ID: CVE-2019-10128
CVSS Base Score: 7.8
CVSS Temporal Score: Undefined
CVSS Environmental Score: Undefined
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products and versions

PostgreSQL

• All versions up to 9.4.21
• 9.5.0 to 9.5.16
• 9.6.0 to 9.6.12
• 10.0 to 10.7
• 11.0 to 11.2

Remediation/fixes

References

• https://www.first.org/cvss/calculator/3.1
• CWE-284 Improper Access Control

Related information

• EnterpriseDB
• PostgreSQL
• EDB Blogs link

Acknowledgement

Source: Red Hat Inc

Change history

26 July 2023: Original Copy Published

Disclaimer

This document is provided on an "as is" basis and does not imply any kind of guarantee or warranty, including the warranties of merchantability or fitness for a particular use. Your use of the information on the document is at your own risk. EDB reserves the right to change or update this document at any time. Customers are therefore recommended to always view the latest version of this document.

• On this page
• Summary
• Vulnerability details
• Affected products and versions
• Remediation/fixes
• References
• Related information
• Acknowledgement
• Change history
• Disclaimer