CVE-2018-10677 : Vulnerability Insights and Analysis

MiniUPnP ngiflib version 0.4 is vulnerable to a denial of service attack due to insufficient validations in the DecodeGifImg function.

Understanding CVE-2018-10677

The vulnerability in MiniUPnP ngiflib version 0.4 allows remote attackers to exploit a heap-based buffer overflow by using a specially crafted GIF file.

What is CVE-2018-10677?

The DecodeGifImg function in ngiflib.c lacks necessary validations for width and height parameters, enabling attackers to execute a denial of service attack or potentially cause other unspecified impacts.

The Impact of CVE-2018-10677

Remote attackers can trigger a denial of service attack by causing a heap-based buffer overflow, leading to application crashes.

Technical Details of CVE-2018-10677

MiniUPnP ngiflib version 0.4 is susceptible to the following:

Vulnerability Description

The vulnerability arises from the lack of checks against width and height parameters in the DecodeGifImg function.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Version: 0.4 (affected)

Exploitation Mechanism

Attackers can exploit this vulnerability by using a specifically crafted GIF file to trigger a denial of service attack.

Mitigation and Prevention

Immediate Steps to Take:

Apply vendor patches or updates to mitigate the vulnerability.
Implement network security measures to prevent unauthorized access. Long-Term Security Practices:
Regularly update software and applications to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate weaknesses.
Educate users on safe browsing habits and the risks of opening files from unknown sources.

Patching and Updates

Ensure that the MiniUPnP ngiflib version 0.4 is updated with the latest patches to address the vulnerability.