CVE-2018-14521 Explained : Impact and Mitigation

A problem was identified in aubio 0.4.6 that can lead to encountering a SEGV signal in aubio_source_avcodec_readframe, located in io/source_avcodec.c. This issue has been demonstrated in aubiomfcc.

Understanding CVE-2018-14521

This CVE entry highlights a vulnerability in aubio 0.4.6 that can result in a SEGV signal in a specific function.

What is CVE-2018-14521?

The vulnerability in aubio 0.4.6 can trigger a SEGV signal in aubio_source_avcodec_readframe, potentially leading to a crash or other adverse effects.

The Impact of CVE-2018-14521

The vulnerability could be exploited to cause a denial of service (DoS) condition or potentially execute arbitrary code on the affected system.

Technical Details of CVE-2018-14521

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The issue in aubio 0.4.6 allows for the occurrence of a SEGV signal in aubio_source_avcodec_readframe in io/source_avcodec.c, as demonstrated by aubiomfcc.

Affected Systems and Versions

Affected Versions: aubio 0.4.6
Affected Component: aubio_source_avcodec_readframe in io/source_avcodec.c

Exploitation Mechanism

The vulnerability can be exploited by crafting specific inputs to trigger the SEGV signal in the mentioned function.

Mitigation and Prevention

Protecting systems from CVE-2018-14521 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor patches or updates if available.
Consider implementing appropriate input validation mechanisms.
Monitor for any unusual system behavior that could indicate exploitation.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate developers and users on secure coding practices.

Patching and Updates

Ensure that the aubio software is updated to a patched version that addresses the vulnerability.