CVE-2019-3723 : Security Advisory and Response

Dell EMC OpenManage Server Administrator (OMSA) versions prior to 9.1.0.3 and 9.3.0.4 are affected by a web parameter tampering vulnerability that could allow unauthorized manipulation of web requests.

Understanding CVE-2019-3723

This CVE involves a critical vulnerability in Dell EMC's OMSA software that could lead to the creation of empty files or deletion of existing file contents.

What is CVE-2019-3723?

The vulnerability in Dell EMC OpenManage Server Administrator allows attackers to manipulate web parameters, potentially leading to the creation of empty files or deletion of existing file contents due to inadequate input validation.

The Impact of CVE-2019-3723

CVSS Base Score: 9.1 (Critical)
Attack Vector: Network
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2019-3723

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in Dell EMC OMSA versions prior to 9.1.0.3 and 9.3.0.4 allows remote unauthenticated attackers to manipulate web parameters, potentially leading to file manipulation.

Affected Systems and Versions

Affected Product: OpenManage Server Administrator
Vendor: Dell EMC
Vulnerable Versions:
9.1.0.3
9.3.0.4

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating web parameters to create empty files or delete existing file contents due to insufficient input validation.

Mitigation and Prevention

Protecting systems from CVE-2019-3723 requires immediate action and long-term security practices.

Immediate Steps to Take

Update Dell EMC OMSA to version 9.1.0.3 or higher to mitigate the vulnerability.
Monitor for any unauthorized file changes or deletions.

Long-Term Security Practices

Implement network segmentation to limit access to vulnerable systems.
Regularly monitor and audit web requests for suspicious activities.

Patching and Updates

Apply security patches and updates provided by Dell EMC to address the vulnerability.