CVE-2019-12158 : Security Advisory and Response

An issue was discovered in GoHTTP prior to 2017-07-25, involving a heap-based buffer overflow during the execution of GetExtension function caused by an overly long extension.

Understanding CVE-2019-12158

GoHTTP through 2017-07-25 has a GetExtension heap-based buffer overflow via a long extension.

What is CVE-2019-12158?

This CVE identifies a vulnerability in GoHTTP that allows a heap-based buffer overflow due to processing overly long extensions.

The Impact of CVE-2019-12158

The vulnerability could be exploited by an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2019-12158

GoHTTP versions prior to 2017-07-25 are affected by this vulnerability.

Vulnerability Description

A heap-based buffer overflow occurs in the GetExtension function when processing excessively long extensions.

Affected Systems and Versions

Product: GoHTTP
Vendor: N/A
Versions affected: Prior to 2017-07-25

Exploitation Mechanism

The vulnerability is exploited by crafting a malicious request with an overly long extension, triggering the buffer overflow.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-12158.

Immediate Steps to Take

Update GoHTTP to a version released after 2017-07-25 to eliminate the vulnerability.
Implement input validation mechanisms to restrict the length of extensions.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Regularly update and patch software 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 GoHTTP and promptly apply patches released by the vendor to address known vulnerabilities.