CVE-2018-1000850 : What You Need to Know

Square Retrofit versions 2.0 to 2.5.0 (excluding 2.5.0) contain a Directory Traversal vulnerability in the RequestBuilder class. This vulnerability allows attackers to manipulate URLs and gain unauthorized access to resources.

Understanding CVE-2018-1000850

Square Retrofit versions 2.0 to 2.5.0 (excluding 2.5.0) are affected by a Directory Traversal vulnerability that has security implications.

What is CVE-2018-1000850?

The vulnerability in the RequestBuilder class of Square Retrofit versions 2.0 to 2.5.0 (excluding 2.5.0) allows attackers to manipulate URLs, potentially leading to unauthorized access to resources.

The Impact of CVE-2018-1000850

This vulnerability could enable attackers to add or delete resources by exploiting the addPathParameter method in the RequestBuilder class.

Technical Details of CVE-2018-1000850

Square Retrofit's vulnerability in versions 2.0 to 2.5.0 (excluding 2.5.0) has specific technical details.

Vulnerability Description

The vulnerability lies in the RequestBuilder class, particularly in the addPathParameter method, allowing attackers to manipulate URLs.

Affected Systems and Versions

Product: Square Retrofit
Vendor: Square
Versions Affected: 2.0 to 2.5.0 (excluding 2.5.0)

Exploitation Mechanism

Attackers need access to an encoded path parameter in POST, PUT, or DELETE requests to exploit this vulnerability.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-1000850 vulnerability.

Immediate Steps to Take

Upgrade to Square Retrofit version 2.5.0 or later to mitigate the vulnerability.
Monitor and restrict access to encoded path parameters in requests.

Long-Term Security Practices

Regularly update software and libraries to the latest secure versions.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Ensure all systems are updated with the patched version (2.5.0 and later) of Square Retrofit.