CVE-2019-6632 : Vulnerability Insights and Analysis

A vulnerability in F5 BIG-IP versions 12.1.0-14.1.0.5 allows attackers to decrypt encrypted configuration items due to insufficient randomness in the vCMP configuration unit key generation.

Understanding CVE-2019-6632

This CVE involves an information disclosure vulnerability in F5 BIG-IP products.

What is CVE-2019-6632?

Under specific conditions, attackers can decrypt encrypted configuration items on affected versions of BIG-IP due to insufficient randomness in the vCMP configuration unit key generation.

The Impact of CVE-2019-6632

Attackers with direct access to encrypted configuration and/or UCS files can exploit this vulnerability to decrypt sensitive information.

Technical Details of CVE-2019-6632

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to decrypt encrypted configuration items on affected versions of BIG-IP due to inadequate randomness in the vCMP configuration unit key generation.

Affected Systems and Versions

BIG-IP 14.1.0-14.1.0.5
BIG-IP 14.0.0-14.0.0.4
BIG-IP 13.0.0-13.1.1.4
BIG-IP 12.1.0-12.1.4

Exploitation Mechanism

To exploit this vulnerability, attackers need direct access to the encrypted configuration and/or UCS files.

Mitigation and Prevention

Protect your systems from CVE-2019-6632 with the following measures:

Immediate Steps to Take

Apply vendor-supplied patches promptly.
Monitor for any unauthorized access to encrypted files.

Long-Term Security Practices

Implement strong access controls to limit exposure of sensitive files.
Regularly review and update encryption practices to enhance security.

Patching and Updates

Ensure timely installation of security patches provided by F5 to mitigate the vulnerability.