Oracle Database: Critical Patch Update - January 2023 (CVE-2023-21827)

Oracle Database: Critical Patch Update - January 2023 (CVE-2023-21827)

Severity

4

CVSS

(AV:N/AC:L/Au:S/C:P/I:N/A:N)

Published

01/17/2023

Created

01/19/2023

Added

01/17/2023

Modified

01/28/2025

Description

Vulnerability in the Oracle Database Data Redaction component of Oracle Database Server.Supported versions that are affected are 19c and21c. Easily exploitable vulnerability allows low privileged attacker having Create Session privilege with network access via Oracle Net to compromise Oracle Database Data Redaction.Successful attacks of this vulnerability can result inunauthorized read access to a subset of Oracle Database Data Redaction accessible data. CVSS 3.1 Base Score 4.3 (Confidentiality impacts).CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).

Solution(s)

• oracle-apply-jan-2023-cpu

References

• https://attackerkb.com/topics/cve-2023-21827
• CVE - 2023-21827
• http://www.oracle.com/security-alerts/cpujan2023.html
• https://support.oracle.com/rs?type=doc&id=2906899.1