CVE-2023-5868 - CVE House
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Status published Medium CVE-2023-5868

Postgresql: memory disclosure in aggregate function calls

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Upstream acknowledges Jingzhou Fu as the original reporter.

References

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Affected Vendor

Affected Software

Red Hat Advanced Cluster Security 4.2, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service, Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.0 Extended Update Support, Red Hat Enterprise Linux 9.2 Extended Update Support, Red Hat Software Collections for Red Hat Enterprise Linux 7, RHACS-3.74-RHEL-8, RHACS-4.1-RHEL-8, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Software Collections
Vulnerable Versions:
4.2.4-6, 4.2.4-7, 8090020231114113712.a75119d5, 8090020231128173330.a75119d5, 8090020231114113548.a75119d5, 8020020231128165246.4cda2c84, 8040020231127153301.522a0ee4, 8040020231127154806.522a0ee4, 8060020231114115246.ad008a3a, 8060020231128165328.ad008a3a, 8080020231114105206.63b34585, 8080020231128165335.63b34585, 8080020231113134015.63b34585, 0:13.13-1.el9_3, 9030020231120082734.rhel9, 0:13.13-1.el9_0, 0:13.13-1.el9_2, 9020020231115020618.rhel9, 0:12.17-1.el7, 0:13.13-1.el7, 3.74.8-9, 3.74.8-7, 4.1.6-6

Timeline

Official Publish: December 10th, 2023
Last Modified: June 23rd, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-686

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.