CVE-2018-19045 : What You Need to Know

In the process of calling PrintData or PrintStats, there is a potential vulnerability in keepalived 2.0.8, where it uses mode 0666 to create new temporary files, which could result in the leakage of sensitive information.

Understanding CVE-2018-19045

keepalived 2.0.8 used mode 0666 when creating new temporary files upon a call to PrintData or PrintStats, potentially leaking sensitive information.

What is CVE-2018-19045?

This CVE identifies a vulnerability in keepalived 2.0.8 that could lead to the exposure of sensitive data due to the insecure creation of temporary files.

The Impact of CVE-2018-19045

The vulnerability could allow attackers to access sensitive information, compromising the confidentiality of data stored or processed by keepalived.

Technical Details of CVE-2018-19045

keepalived 2.0.8 vulnerability details.

Vulnerability Description

Vulnerability Type: Insecure Temporary File Creation
CVE ID: CVE-2018-19045
CVSS Score: N/A

Affected Systems and Versions

Affected Version: 2.0.8
Systems: keepalived

Exploitation Mechanism

Exploitation involves calling PrintData or PrintStats, triggering the creation of temporary files with insecure permissions (mode 0666).

Mitigation and Prevention

Steps to address and prevent the vulnerability.

Immediate Steps to Take

Update keepalived to a patched version that addresses the file creation vulnerability.
Monitor system logs for any suspicious file access or unauthorized activities.

Long-Term Security Practices

Implement secure coding practices to avoid similar vulnerabilities in the future.
Regularly review and update file creation mechanisms to ensure proper permissions and security.

Patching and Updates

Apply patches provided by keepalived to fix the vulnerability and enhance system security.