CVE-2019-6834 : Exploit Details and Defense Strategies

A security vulnerability known as CWE-502: Deserialization of Untrusted Data has been identified in Schneider Electric's Software Update (SESU) SUT Service component versions V2.1.1 to V2.3.0. This vulnerability could potentially allow an attacker to execute unauthorized code with SYSTEM privileges on the targeted system.

Understanding CVE-2019-6834

This CVE involves a critical vulnerability in Schneider Electric's Software Update (SESU) SUT Service component, posing a significant risk to affected systems.

What is CVE-2019-6834?

The CVE-2019-6834 vulnerability is categorized as CWE-502, involving the deserialization of untrusted data. Exploiting this vulnerability could enable an attacker to run unauthorized code with SYSTEM privileges by placing a malicious user for authentication.

The Impact of CVE-2019-6834

The impact of CVE-2019-6834 is rated as HIGH, with a base score of 7.3. The confidentiality, integrity, and availability of the affected systems are all at risk due to this vulnerability.

Technical Details of CVE-2019-6834

This section provides detailed technical information about the CVE-2019-6834 vulnerability.

Vulnerability Description

The vulnerability allows an attacker to execute arbitrary code on the targeted system with SYSTEM privileges by authenticating a malicious user.

Affected Systems and Versions

Product: Software Update (SESU) SUT Service component
Vendor: Schneider Electric
Versions Affected: V2.1.1 to V2.3.0

Exploitation Mechanism

To exploit this vulnerability, an attacker needs to place a malicious user for authentication, enabling the execution of unauthorized code with SYSTEM privileges.

Mitigation and Prevention

Protecting systems from CVE-2019-6834 requires immediate action and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Schneider Electric promptly.
Monitor for any unauthorized access or suspicious activities on the affected systems.

Long-Term Security Practices

Implement strict access controls and authentication mechanisms.
Conduct regular security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Schneider Electric.
Ensure timely installation of patches to mitigate the risk of exploitation.