CVE-2020-7611 Explained : Impact and Mitigation

A vulnerability in io.micronaut:micronaut-http-client could allow an attacker to perform HTTP Request Header Injection.

Understanding CVE-2020-7611

This CVE identifies a security issue in versions of io.micronaut:micronaut-http-client before 1.2.11 and from 1.3.0 before 1.3.2.

What is CVE-2020-7611?

This CVE pertains to a vulnerability in io.micronaut:micronaut-http-client that enables HTTP Request Header Injection due to inadequate validation of request headers.

The Impact of CVE-2020-7611

The vulnerability could be exploited by malicious actors to manipulate HTTP request headers, potentially leading to unauthorized access or data tampering.

Technical Details of CVE-2020-7611

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue arises from the lack of proper validation of request headers passed to the client, allowing for potential injection attacks.

Affected Systems and Versions

All versions of io.micronaut:micronaut-http-client before 1.2.11
All versions from 1.3.0 before 1.3.2

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious content into HTTP request headers, potentially compromising the integrity of the system.

Mitigation and Prevention

Protecting systems from CVE-2020-7611 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update io.micronaut:micronaut-http-client to version 1.2.11 or later if using an affected version.
Monitor and restrict incoming request headers to prevent injection attacks.

Long-Term Security Practices

Implement strict input validation mechanisms for all user inputs and request headers.
Regularly audit and update security protocols to address emerging threats.

Patching and Updates

Apply patches provided by the vendor promptly to mitigate the vulnerability and enhance system security.