CVE-2021-41945 : What You Need to Know

Encode OSS httpx < 0.23.0 is affected by improper input validation in

httpx.URL

,

httpx.Client

, and functions using

httpx.URL.copy_with

.

Understanding CVE-2021-41945

What is CVE-2021-41945?

CVE-2021-41945 is a vulnerability in Encode OSS httpx versions prior to 0.23.0 due to improper input validation, specifically affecting

httpx.URL

,

httpx.Client

, and certain functions utilizing

httpx.URL.copy_with

.

The Impact of CVE-2021-41945

The vulnerability allows for potential exploitation by attackers, leading to security risks such as data manipulation, unauthorized access, and potential system compromise.

Technical Details of CVE-2021-41945

Vulnerability Description

Encode OSS httpx < 0.23.0 is susceptible to improper input validation in critical components like

httpx.URL

and

httpx.Client

.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Versions affected: < 0.23.0

Exploitation Mechanism

Attackers can exploit the vulnerability through functions utilizing

httpx.URL.copy_with

and related components.

Mitigation and Prevention

Immediate Steps to Take

Update httpx to version 0.23.0 or newer to address the vulnerability.
Monitor for any unauthorized access or suspicious activities on affected systems.

Long-Term Security Practices

Implement secure coding practices to enhance validation of user inputs.
Regularly audit and update dependencies and libraries to prevent similar security issues.

Patching and Updates

Stay informed about security updates and patches released by the Encode OSS httpx project.