CVE-2017-11331 Explained : Impact and Mitigation

A memory allocation error can be triggered by a maliciously crafted wav file when using the wav_open function in oggenc/audio.c within Xiph.Org vorbis-tools 1.4.0, leading to a denial of service.

Understanding CVE-2017-11331

This CVE entry describes a vulnerability in Xiph.Org vorbis-tools 1.4.0 that allows remote attackers to cause a denial of service through a crafted wav file.

What is CVE-2017-11331?

The wav_open function in oggenc/audio.c in Xiph.Org vorbis-tools 1.4.0 enables attackers to trigger a memory allocation error by using a specially crafted wav file, resulting in a denial of service.

The Impact of CVE-2017-11331

The vulnerability can be exploited remotely by attackers to disrupt the normal operation of systems running the affected software, potentially leading to service unavailability.

Technical Details of CVE-2017-11331

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

A memory allocation error can be induced by a maliciously constructed wav file when the wav_open function in oggenc/audio.c of Xiph.Org vorbis-tools 1.4.0 is utilized, causing a denial of service.

Affected Systems and Versions

Product: Xiph.Org vorbis-tools
Version: 1.4.0

Exploitation Mechanism

The vulnerability can be exploited remotely by sending a specially crafted wav file to the target system, triggering the memory allocation error and resulting in a denial of service condition.

Mitigation and Prevention

Protecting systems from CVE-2017-11331 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the software vendor to mitigate the vulnerability.
Implement network-level protections to filter out potentially malicious wav files.

Long-Term Security Practices

Regularly update software and firmware to ensure the latest security fixes are in place.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories related to Xiph.Org vorbis-tools and promptly apply any patches released by the vendor to address the vulnerability.