CVE-2019-12131 Explained : Impact and Mitigation

A problem has been discovered in ONAP APPC and SDC versions up to Dublin, allowing attackers to exploit the USER_ID parameter in an HTTP header to impersonate legitimate users without authentication.

Understanding CVE-2019-12131

This CVE identifies a vulnerability in ONAP APPC and SDC versions up to Dublin that enables unauthorized user impersonation.

What is CVE-2019-12131?

This vulnerability allows attackers to manipulate the USER_ID parameter in an HTTP header to impersonate any legitimate user without undergoing authentication.

The Impact of CVE-2019-12131

The vulnerability affects all installations of both APPC and SDC, potentially leading to unauthorized access and misuse of user privileges.

Technical Details of CVE-2019-12131

This section provides detailed technical information about the CVE.

Vulnerability Description

By setting a USER_ID parameter in an HTTP header, attackers can impersonate existing users without authentication in ONAP APPC and SDC versions up to Dublin.

Affected Systems and Versions

ONAP APPC versions up to Dublin
ONAP SDC versions up to Dublin

Exploitation Mechanism

Attackers exploit the USER_ID parameter in the HTTP header to impersonate legitimate users without the need for authentication.

Mitigation and Prevention

Protect your systems from CVE-2019-12131 with the following measures:

Immediate Steps to Take

Implement strict input validation to prevent unauthorized parameter manipulation.
Monitor HTTP headers for suspicious activity.
Update to patched versions of ONAP APPC and SDC.

Long-Term Security Practices

Conduct regular security audits and penetration testing.
Educate users on safe practices to prevent unauthorized access.

Patching and Updates

Apply security patches provided by ONAP for APPC and SDC to address this vulnerability.