CVE-2019-3752 : Vulnerability Insights and Analysis

Dell EMC Avamar Server and Integrated Data Protection Appliance are affected by an XML External Entity (XXE) Injection vulnerability, potentially allowing remote attackers to cause Denial of Service or unauthorized information exposure.

Understanding CVE-2019-3752

This CVE involves an XXE Injection vulnerability in Dell EMC Avamar Server and Integrated Data Protection Appliance.

What is CVE-2019-3752?

An XML External Entity (XXE) Injection vulnerability in Dell EMC Avamar Server and Integrated Data Protection Appliance versions could be exploited by remote unauthenticated attackers to cause Denial of Service or obtain unauthorized information.

The Impact of CVE-2019-3752

CVSS Base Score: 8.2 (High)
Attack Vector: Network
Availability Impact: High
Confidentiality Impact: Low
Integrity Impact: None

Technical Details of CVE-2019-3752

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows remote unauthenticated attackers to exploit specially crafted document type definitions (DTDs) in an XML request to cause Denial of Service or unauthorized information exposure.

Affected Systems and Versions

Affected Products: Avamar, Integrated Data Protection Appliance
Affected Versions: 7.4.1, 7.5.0, 7.5.1, 18.2, 19.1 (Avamar), 2.0, 2.1, 2.2, 2.3, 2.4 (IDPA)

Exploitation Mechanism

The vulnerability can be exploited by providing specially crafted DTDs within an XML request, allowing attackers to manipulate the system.

Mitigation and Prevention

Protect your systems from CVE-2019-3752 with the following steps:

Immediate Steps to Take

Apply vendor-supplied patches promptly
Monitor network traffic for signs of exploitation

Long-Term Security Practices

Implement network segmentation to limit exposure
Regularly update and patch systems to prevent vulnerabilities

Patching and Updates

Ensure all affected systems are updated with the latest patches to mitigate the XXE Injection vulnerability.