CVE-2023-21853 : Security Advisory and Response

This CVE-2023-21853 article provides insights into a critical vulnerability identified in Oracle Mobile Field Service within the Oracle E-Business Suite.

Understanding CVE-2023-21853

This section delves into the nature of CVE-2023-21853, its impact, technical details, and mitigation strategies.

What is CVE-2023-21853?

CVE-2023-21853 is a vulnerability found in the Oracle Mobile Field Service product of Oracle E-Business Suite, particularly in the Synchronization component. The vulnerability allows an unauthenticated attacker with network access via HTTP to compromise the Oracle Mobile Field Service. Successful exploitation can lead to unauthorized access to critical data or all accessible data within Oracle Mobile Field Service.

The Impact of CVE-2023-21853

The impact of CVE-2023-21853 is severe, with a CVSS 3.1 Base Score of 7.5 in terms of integrity impacts. This vulnerability can enable attackers to create, delete, or modify critical data within the affected versions of Oracle Mobile Field Service, ranging from 12.2.3 to 12.2.12.

Technical Details of CVE-2023-21853

This section provides a detailed overview of the vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in Oracle Mobile Field Service allows an unauthenticated attacker to compromise the system via HTTP. This unauthorized access can lead to severe consequences, including unauthorized data manipulation or unauthorized data access within Oracle Mobile Field Service.

Affected Systems and Versions

The Oracle Mobile Field Service product within the Oracle E-Business Suite is affected by this vulnerability in versions ranging from 12.2.3 to 12.2.12.

Exploitation Mechanism

The vulnerability can be easily exploited by an unauthenticated attacker with network access via HTTP, posing a significant risk to the integrity of the Oracle Mobile Field Service data.

Mitigation and Prevention

In light of CVE-2023-21853, it is vital to implement immediate steps to mitigate the risk posed by this vulnerability and adopt long-term security practices to prevent future security breaches.

Immediate Steps to Take

Organizations should apply security patches provided by Oracle promptly.
Implement network security controls to limit unauthorized access to Oracle Mobile Field Service.

Long-Term Security Practices

Regularly update and patch Oracle systems to address known vulnerabilities.
Conduct security assessments and audits to identify and address security gaps proactively.

Patching and Updates

Oracle has released security patches to address CVE-2023-21853. It is crucial for organizations using the affected versions of Oracle Mobile Field Service to apply these patches promptly to secure their systems.