CVE-2019-17113 : Security Advisory and Response

A vulnerability in libopenmpt prior to version 0.3.19 and 0.4.x before 0.4.9 allows for a buffer overflow due to insufficient length restrictions in certain functions.

Understanding CVE-2019-17113

This CVE identifies a security issue in libopenmpt versions prior to 0.3.19 and 0.4.9.

What is CVE-2019-17113?

In libopenmpt versions before 0.3.19 and 0.4.x before 0.4.9, the functions ModPlug_InstrumentName and ModPlug_SampleName lack proper length restrictions on output-buffer strings in the C API, potentially leading to a buffer overflow.

The Impact of CVE-2019-17113

The vulnerability can be exploited to trigger a buffer overflow, which may result in a denial of service or potentially arbitrary code execution.

Technical Details of CVE-2019-17113

This section delves into the technical aspects of the CVE.

Vulnerability Description

The issue arises from the lack of length restrictions on output-buffer strings in the ModPlug_InstrumentName and ModPlug_SampleName functions within libopenmpt_modplug.c.

Affected Systems and Versions

Versions of libopenmpt prior to 0.3.19 and 0.4.x before 0.4.9 are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input to trigger a buffer overflow, potentially leading to a compromise of the affected system.

Mitigation and Prevention

Protecting systems from CVE-2019-17113 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update libopenmpt to version 0.3.19 or 0.4.9 to mitigate the vulnerability.
Monitor vendor advisories and apply patches promptly.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflows.
Regularly update and patch software to address known vulnerabilities.
Conduct security assessments and audits to identify and remediate potential weaknesses.
Employ network and host-based intrusion detection systems to detect and respond to malicious activities.

Patching and Updates

Apply the latest patches and updates provided by the libopenmpt project to address the vulnerability.