CVE-2017-15019 : Exploit Details and Defense Strategies

A vulnerability was found in LAME 3.99.5 that leads to a NULL Pointer Dereference due to an incorrect calloc call in the hip_decode_init function.

Understanding CVE-2017-15019

This CVE entry highlights a specific flaw in LAME 3.99.5 that can be exploited through a malformed mpg file, resulting in a NULL Pointer Dereference.

What is CVE-2017-15019?

The vulnerability exists in the hip_decode_init function within libmp3lame/mpglib_interface.c due to an erroneous calloc call when processing a malformed mpg file.

The Impact of CVE-2017-15019

The vulnerability can be exploited by an attacker to cause a NULL Pointer Dereference, potentially leading to a denial of service or other malicious activities.

Technical Details of CVE-2017-15019

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The flaw in LAME 3.99.5 triggers a NULL Pointer Dereference as a result of an incorrect calloc call in the hip_decode_init function.

Affected Systems and Versions

Product: LAME 3.99.5
Vendor: N/A
Versions: N/A

Exploitation Mechanism

The vulnerability can be exploited by processing a specially crafted malformed mpg file, leading to the NULL Pointer Dereference.

Mitigation and Prevention

To address CVE-2017-15019, follow these mitigation strategies:

Immediate Steps to Take

Apply vendor patches or updates if available.
Avoid opening untrusted or unknown mpg files.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement proper input validation to prevent malformed file exploitation.

Patching and Updates

Ensure that you apply any patches or updates provided by the vendor to mitigate the vulnerability.