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Component takeover in Oracle Data Provider for .NET

High severity GitHub Reviewed Published Jan 18, 2023 to the GitHub Advisory Database • Updated Sep 17, 2024

Package

nuget Oracle.ManagedDataAccess (NuGet)

Affected versions

>= 21.0.0, < 21.9.0
>= 19.0.0, < 19.18.0

Patched versions

21.9.0
19.18.0
nuget Oracle.ManagedDataAccess.Core (NuGet)
>= 3.21.0, < 3.21.90
>= 2.19.0, < 2.19.180
3.21.90
2.19.180

Description

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

Published by the National Vulnerability Database Jan 18, 2023
Published to the GitHub Advisory Database Jan 18, 2023
Reviewed Apr 12, 2023
Last updated Sep 17, 2024

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS score

0.459%
(76th percentile)

Weaknesses

CVE ID

CVE-2023-21893

GHSA ID

GHSA-5pm2-9mr2-3frq

Source code

No known source code

Credits

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