CVE-2019-10052 : Vulnerability Insights and Analysis

Suricata version 4.1.3 has a vulnerability where accessing a section of a DHCP packet in the Rust environment triggers a panic. This CVE was made public on April 30, 2019.

Understanding CVE-2019-10052

This CVE affects Suricata version 4.1.3 and can lead to a panic in the Rust environment when parsing certain network packets.

What is CVE-2019-10052?

A vulnerability in Suricata 4.1.3 triggers a panic in the Rust environment when attempting to access a section of a DHCP packet with incorrect length.

The Impact of CVE-2019-10052

The vulnerability can potentially lead to a denial of service (DoS) condition due to the panic triggered in the Rust environment.

Technical Details of CVE-2019-10052

This section provides more technical insights into the vulnerability.

Vulnerability Description

In Suricata 4.1.3, parsing network packets with incorrect lengths can cause a panic in the Rust environment when accessing a section of a DHCP packet.

Affected Systems and Versions

Suricata version 4.1.3 is affected by this vulnerability.

Exploitation Mechanism

The issue arises when the parser attempts to access a part of a DHCP packet that does not have the correct length, leading to a panic in the Rust environment.

Mitigation and Prevention

To address CVE-2019-10052, follow these mitigation steps:

Immediate Steps to Take

Update Suricata to version 4.1.4 or later to mitigate the vulnerability.
Monitor vendor security advisories for patches and updates.

Long-Term Security Practices

Regularly update and patch Suricata to the latest versions.
Implement network segmentation to minimize the impact of potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by Suricata to address this vulnerability.