CVE-2019-10051 Explained : Impact and Mitigation

Suricata version 4.1.3 has a vulnerability that can lead to a program crash due to an unsafe situation in the filetracker_newchunk function.

Understanding CVE-2019-10051

This CVE involves a specific issue in Suricata version 4.1.3 that can cause a crash in the program.

What is CVE-2019-10051?

CVE-2019-10051 is a vulnerability in Suricata version 4.1.3 where the function filetracker_newchunk encounters an unsafe situation, triggering an error in smb/files.rs and resulting in a program crash.

The Impact of CVE-2019-10051

The vulnerability can be exploited to crash the Suricata program, potentially leading to denial of service or other security implications.

Technical Details of CVE-2019-10051

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises when the function filetracker_newchunk processes an unsafe item, causing the program to crash with an smb/files.rs error.

Affected Systems and Versions

Suricata version 4.1.3 is specifically impacted by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability involves triggering the unsafe situation in the filetracker_newchunk function, leading to a crash in the program.

Mitigation and Prevention

Protecting systems from CVE-2019-10051 is crucial to maintaining security.

Immediate Steps to Take

Update Suricata to a patched version that addresses the vulnerability.
Monitor for any unusual program crashes or errors that could indicate exploitation.

Long-Term Security Practices

Regularly update and patch all software to prevent known vulnerabilities.
Implement network monitoring and intrusion detection systems to detect and respond to potential attacks.

Patching and Updates

Ensure that Suricata is updated to a version that includes a fix for CVE-2019-10051 to mitigate the risk of exploitation.