CVE-2019-4456 Explained : Impact and Mitigation

IBM Daeja ViewONE versions 5.0.5 and 5.0.6 are vulnerable to an XML External Entity Injection (XXE) attack, potentially leading to the exposure of sensitive information or memory resource consumption.

Understanding CVE-2019-4456

IBM Daeja ViewONE versions 5.0.5 and 5.0.6 are susceptible to an XXE attack, as identified by IBM X-Force with ID 163620.

What is CVE-2019-4456?

The vulnerability in IBM Daeja ViewONE allows attackers to exploit XML data processing, leading to an XXE attack with severe consequences.

The Impact of CVE-2019-4456

Attack Complexity: Low
Attack Vector: Network
Base Score: 7.1 (High)
Confidentiality Impact: High
Availability Impact: Low
Exploit Code Maturity: Unproven
Remediation Level: Official Fix
The vulnerability could result in the exposure of sensitive information or excessive memory resource consumption.

Technical Details of CVE-2019-4456

IBM Daeja ViewONE versions 5.0.5 and 5.0.6 are affected by an XXE vulnerability.

Vulnerability Description

The vulnerability allows for XML External Entity Injection (XXE) attacks.

Affected Systems and Versions

Product: Daeja ViewONE
Vendor: IBM
Vulnerable Versions: 5.0.5, 5.0.6

Exploitation Mechanism

Attackers can exploit the XML data processing in IBM Daeja ViewONE to conduct XXE attacks.

Mitigation and Prevention

Immediate Steps to Take:

Apply official fixes provided by IBM.
Monitor IBM's security bulletins for updates. Long-Term Security Practices:
Regularly update and patch IBM Daeja ViewONE.
Implement network security measures to prevent XXE attacks.
Educate users on safe XML data handling practices.
Conduct regular security assessments and audits.
Stay informed about emerging vulnerabilities and security best practices.
Collaborate with IBM support for any security concerns.

Patching and Updates

IBM has released official fixes to address the vulnerability in Daeja ViewONE versions 5.0.5 and 5.0.6.