CVE-2023-5868
MEDIUMCVSS 4.3/10EPSS 2.77%
Last modified
CVE-2023-5868 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A memory disclosure vulnerability was found in PostgreSQL that allows remote users to access sensitive information by exploiting certain aggregate function calls with 'unknown'-type arguments. Handling 'unknown'-type values from string literals without type designation can disclose bytes, potentially revealing notable and confidential information. EPSS estimates a 2.77% chance of exploitation in the next 30 days.
Description
A memory disclosure vulnerability was found in PostgreSQL that allows remote users to access sensitive information by exploiting certain aggregate function calls with 'unknown'-type arguments. Handling 'unknown'-type values from string literals without type designation can disclose bytes, potentially revealing notable and confidential information. This issue exists due to excessive data output in aggregate function calls, enabling remote users to read some portion of system memory.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Postgresql | Postgresql | >= 11.0, < 11.22 |
| Postgresql | Postgresql | >= 12.0, < 12.17 |
| Postgresql | Postgresql | >= 13.0, < 13.13 |
| Postgresql | Postgresql | >= 14.0, < 14.10 |
| Postgresql | Postgresql | >= 15.0, < 15.5 |
| Postgresql | Postgresql | 16.0 |
| Redhat | Codeready Linux Builder Eus | 9.2 |
| Redhat | Codeready Linux Builder Eus For Power Little Endian Eus | 9.0_ppc64le |
| Redhat | Codeready Linux Builder Eus For Power Little Endian Eus | 9.2_ppc64le |
| Redhat | Codeready Linux Builder For Arm64 Eus | 8.6_aarch64 |
| Redhat | Codeready Linux Builder For Arm64 Eus | 9.0_aarch64 |
| Redhat | Codeready Linux Builder For Arm64 Eus | 9.2_aarch64 |
| Redhat | Codeready Linux Builder For Ibm Z Systems Eus | 9.0_s390x |
| Redhat | Codeready Linux Builder For Ibm Z Systems Eus | 9.2_s390x |
| Redhat | Codeready Linux Builder For Power Little Endian Eus | 9.0_ppc64le |
| Redhat | Codeready Linux Builder For Power Little Endian Eus | 9.2_ppc64le |
| Redhat | Software Collections | 1.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux | 9.0 |
| Redhat | Enterprise Linux Eus | 8.6 |
| Redhat | Enterprise Linux Eus | 8.8 |
| Redhat | Enterprise Linux Eus | 9.0 |
| Redhat | Enterprise Linux Eus | 9.2 |
| Redhat | Enterprise Linux For Arm 64 | 8.0 |
| Redhat | Enterprise Linux For Arm 64 | 8.8_aarch64 |
| Redhat | Enterprise Linux For Ibm Z Systems | 8.0_s390x |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.6_s390x |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 8.8_s390x |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 9.0_s390x |
| Redhat | Enterprise Linux For Ibm Z Systems Eus | 9.2_s390x |
| Redhat | Enterprise Linux For Power Little Endian | 8.0_ppc64le |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.6_ppc64le |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.8_ppc64le |
| Redhat | Enterprise Linux For Power Little Endian Eus | 9.0_ppc64le |
| Redhat | Enterprise Linux For Power Little Endian Eus | 9.2_ppc64le |
| Redhat | Enterprise Linux Server Aus | 8.2 |
| Redhat | Enterprise Linux Server Aus | 8.4 |
| Redhat | Enterprise Linux Server Aus | 8.6 |
| Redhat | Enterprise Linux Server Aus | 9.2 |
| Redhat | Enterprise Linux Server Tus | 8.2 |
| Redhat | Enterprise Linux Server Tus | 8.4 |
| Redhat | Enterprise Linux Server Tus | 8.6 |
References
- https://access.redhat.com/errata/RHSA-2023:7545Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7579Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7580Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7581Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7616Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7656Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7666Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7667Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7694Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7695Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7714Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7770Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7772Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5868Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2247168Issue Tracking
- https://www.postgresql.org/support/security/CVE-2023-5868/Mitigation, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7545Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7579Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7580Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7581Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7616Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7656Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7666Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7667Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7694Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7695Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7714Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7770Third Party Advisory
- https://access.redhat.com/errata/RHSA-2023:7772Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-5868Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2247168Issue Tracking
- https://www.postgresql.org/support/security/CVE-2023-5868/Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-5868?
A memory disclosure vulnerability was found in PostgreSQL that allows remote users to access sensitive information by exploiting certain aggregate function calls with 'unknown'-type arguments. Handling 'unknown'-type values from string literals without type designation can disclose bytes, potentially revealing notable and confidential information. This issue exists due to excessive data output in aggregate function calls, enabling remote users to read some portion of system memory.
How severe is CVE-2023-5868?
CVE-2023-5868 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 2.77% probability of exploitation in the next 30 days.
How do I fix CVE-2023-5868?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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