CVE-2023-26148 : Security Advisory and Response

This CVE record, assigned by Snyk, was published on September 29, 2023. The vulnerability is related to CRLF Injection in the package ithewei/libhv.

Understanding CVE-2023-26148

This section provides an overview of the CVE-2023-26148 vulnerability and its impact on affected systems.

What is CVE-2023-26148?

CVE-2023-26148 is a vulnerability in the package ithewei/libhv that allows for CRLF Injection when untrusted user input is used to set request headers. Attackers can inject additional headers in the request by adding the \r\n (carriage return line feeds) characters.

The Impact of CVE-2023-26148

The impact of this vulnerability is rated as medium with a base score of 5.4 according to the Common Vulnerability Scoring System (CVSS). It could potentially lead to a compromise of confidentiality and integrity of affected systems.

Technical Details of CVE-2023-26148

In this section, we delve into the specifics of the vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in ithewei/libhv arises from the improper handling of user input, allowing for malicious injection of headers into HTTP requests, compromising the security of the system.

Affected Systems and Versions

All versions of the package ithewei/libhv are affected by this vulnerability. The exploitation of this issue relies on untrusted user input to set request headers, making all versions susceptible.

Exploitation Mechanism

By inserting specific characters (\r\n) into request headers, malicious actors can inject additional headers and manipulate the behavior of the system, potentially leading to unauthorized access or data manipulation.

Mitigation and Prevention

To safeguard systems against CVE-2023-26148, immediate steps should be taken to address the vulnerability and prevent potential exploitation.

Immediate Steps to Take

Update the ithewei/libhv package to the latest secure version to mitigate the CRLF Injection vulnerability.
Implement input validation mechanisms to sanitize user input and prevent malicious characters from being injected into request headers.

Long-Term Security Practices

Regularly monitor for security updates and patches for the affected package to address any new vulnerabilities promptly.
Educate developers on secure coding practices to prevent similar vulnerabilities in the future.

Patching and Updates

Ensure that all systems using the ithewei/libhv package are updated with the latest secure versions to patch the CRLF Injection vulnerability and enhance overall system security.