CVE-2017-12923 : Security Advisory and Response

A vulnerability in libfpx 1.3.1_p6 allows remote attackers to trigger a denial of service through a crafted fpx image.

Understanding CVE-2017-12923

This CVE involves a vulnerability in the function OLEStream::WriteVT_LPSTR in the file olestrm.cpp in libfpx 1.3.1_p6.

What is CVE-2017-12923?

The vulnerability in CVE-2017-12923 can be exploited by remote attackers to cause a denial of service by triggering a NULL pointer dereference through a specially crafted fpx image.

The Impact of CVE-2017-12923

The exploitation of this vulnerability can lead to a denial of service attack on the affected system.

Technical Details of CVE-2017-12923

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability exists in the function OLEStream::WriteVT_LPSTR in the file olestrm.cpp in libfpx 1.3.1_p6, allowing remote attackers to trigger a denial of service through a crafted fpx image.

Affected Systems and Versions

Affected Version: libfpx 1.3.1_p6
Product and Vendor: Not applicable

Exploitation Mechanism

The vulnerability can be exploited remotely by attackers through a specially crafted fpx image, leading to a NULL pointer dereference and causing a denial of service.

Mitigation and Prevention

Protecting systems from CVE-2017-12923 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Implement network security measures to prevent remote exploitation.

Long-Term Security Practices

Regularly update software and libraries to mitigate known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.

Patching and Updates

Ensure that the affected software, in this case, libfpx, is updated to a secure version to prevent exploitation of the vulnerability.