CVE-2023-26147 : Vulnerability Insights and Analysis

This CVE-2023-26147 article provides detailed information on a vulnerability affecting all versions of the package ithewei/libhv. The vulnerability, tagged as HTTP Response Splitting (CWE-113), poses a potential risk of XSS attacks when untrusted user input is utilized to construct header values.

Understanding CVE-2023-26147

This section delves into the specifics of CVE-2023-26147, shedding light on what the vulnerability entails and its potential impact.

What is CVE-2023-26147?

CVE-2023-26147 is a vulnerability found in all versions of the package ithewei/libhv. It is classified as HTTP Response Splitting (CWE-113), which occurs when untrusted user input is incorporated into constructing header values. This vulnerability allows malicious actors to insert harmful content by adding carriage return line feed characters to HTTP response headers, potentially leading to cross-site scripting (XSS) vulnerabilities.

The Impact of CVE-2023-26147

The impact of CVE-2023-26147 lies in its ability to enable attackers to manipulate HTTP response headers by injecting malicious content. This exploitation can result in the insertion of additional headers or altering the response body, paving the way for XSS vulnerabilities and other security threats within affected systems.

Technical Details of CVE-2023-26147

This section provides deeper insights into the technical aspects of CVE-2023-26147, including its vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in ithewei/libhv arises when untrusted user input is utilized to construct headers, enabling attackers to inject malicious content through the introduction of carriage return line feed characters. This manipulation can lead to potential XSS vulnerabilities within the affected systems.

Affected Systems and Versions

The package ithewei/libhv in all versions is impacted by CVE-2023-26147. This vulnerability affects systems that utilize this package, potentially exposing them to risks associated with HTTP Response Splitting and XSS attacks.

Exploitation Mechanism

Exploiting CVE-2023-26147 involves leveraging untrusted user input to construct header values, allowing threat actors to tamper with HTTP response headers. By introducing specific characters, attackers can manipulate response headers to inject malicious content, thereby compromising the security of affected systems.

Mitigation and Prevention

In light of the CVE-2023-26147 vulnerability, implementing robust security measures is crucial to mitigate risks and safeguard systems against potential exploits.

Immediate Steps to Take

Developers and system administrators should promptly update the affected ithewei/libhv package to the latest secure version.
Implement input validation mechanisms to sanitize user input and prevent the injection of malicious content into header values.

Long-Term Security Practices

Foster security awareness among developers to prioritize secure coding practices, including input validation and output encoding techniques.
Conduct regular security audits and vulnerability assessments to identify and address potential weaknesses in the system.

Patching and Updates

Stay informed about security updates and patches released by software vendors to address vulnerabilities like CVE-2023-26147.
Ensure timely application of security patches to mitigate risks and fortify the resilience of systems against potential threats.