CVE-2023-0839 : Exploit Details and Defense Strategies

This CVE-2023-0839 was assigned by TR-CERT and published on March 6, 2023. The vulnerability involves "Improper Protection for Outbound Error Messages and Alert Signals" in ProMIS Process Co. InSCADA, leading to an Account Footprinting issue. The vulnerability was discovered by Omer Fatih YEGIN.

Understanding CVE-2023-0839

This section provides an insight into what CVE-2023-0839 is all about.

What is CVE-2023-0839?

CVE-2023-0839 refers to the "Improper Protection for Outbound Error Messages and Alert Signals" vulnerability in ProMIS Process Co. InSCADA. This vulnerability allows Account Footprinting, impacting the security of the affected systems.

The Impact of CVE-2023-0839

The impact of CVE-2023-0839 is categorized under CAPEC-575, known as "Account Footprinting." This could potentially lead to unauthorized access and information disclosure due to the improper handling of error messages and alert signals.

Technical Details of CVE-2023-0839

This section delves deeper into the technical aspects of CVE-2023-0839.

Vulnerability Description

The vulnerability in ProMIS Process Co. InSCADA arises from inadequate protection for outbound error messages and alert signals, allowing threat actors to perform Account Footprinting.

Affected Systems and Versions

The vulnerability affects inSCADA versions before 20230115-1, putting systems with these versions at risk of exploitation.

Exploitation Mechanism

The attack complexity is rated as LOW, with a NETWORK attack vector. The vulnerability poses a CRITICAL risk with a CVSS base score of 9.8, impacting confidentiality, integrity, and availability. No privileges are required for exploitation, and user interaction is not necessary.

Mitigation and Prevention

Protecting systems against CVE-2023-0839 is crucial to avoid potential security breaches and unauthorized access.

Immediate Steps to Take

Immediate actions include monitoring and updating to versions beyond 20230115-1. It's essential to review and enhance error message handling and alert mechanisms to prevent Account Footprinting.

Long-Term Security Practices

Implementing robust security protocols, conducting regular security audits, and ensuring error handling best practices are key for long-term protection against similar vulnerabilities.

Patching and Updates

ProMIS Process Co. should release patches or updates addressing the vulnerability promptly. Users are advised to apply these patches as soon as they are available to mitigate the risk of exploitation.