CVE-2018-6459 : Exploit Details and Defense Strategies

A vulnerability in the rsa_pss_params_parse function within the signature_params.c file of strongSwan 5.6.1 allows remote attackers to cause a denial of service. This CVE was published on February 20, 2018.

Understanding CVE-2018-6459

This section provides insights into the nature and impact of CVE-2018-6459.

What is CVE-2018-6459?

The vulnerability in strongSwan 5.6.1 enables remote attackers to trigger a denial of service by utilizing a maliciously crafted RSASSA-PSS signature without a mask generation function parameter.

The Impact of CVE-2018-6459

The vulnerability poses a risk of denial of service attacks by exploiting the signature verification process in strongSwan 5.6.1.

Technical Details of CVE-2018-6459

Explore the technical aspects of CVE-2018-6459 to understand its implications.

Vulnerability Description

The rsa_pss_params_parse function in strongSwan 5.6.1 allows attackers to disrupt services by using a crafted RSASSA-PSS signature lacking a mask generation function parameter.

Affected Systems and Versions

Affected Systems: Not applicable
Affected Versions: strongSwan 5.6.1

Exploitation Mechanism

The vulnerability can be exploited remotely by sending a specially crafted RSASSA-PSS signature to the target system, causing a denial of service.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2018-6459.

Immediate Steps to Take

Update strongSwan to the latest version to patch the vulnerability.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and audit system logs for any suspicious activities.
Conduct security training for employees to enhance awareness of potential threats.

Patching and Updates

Ensure timely installation of security patches and updates to protect systems from known vulnerabilities.