Vulnerability in the Oracle Data Provider for .NET component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TCPS to compromise Oracle Data Provider for .NET. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of Oracle Data Provider for .NET. Note: Applies also to Database client-only on Windows platform. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).

See the readme.txt files inside the .nupkg packages for a reference to the fix.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-21893
• https://www.oracle.com/security-alerts/cpujan2023.html
• https://www.nuget.org/packages/Oracle.ManagedDataAccess/21.9.0
• https://www.nuget.org/packages/Oracle.ManagedDataAccess.Core/3.21.90