CVE-2017-0911 Explained : Impact and Mitigation

Twitter Kit for iOS versions 3.0 to 3.2.1 is vulnerable to a callback verification flaw in the "Login with Twitter" feature, potentially allowing attackers to associate a Twitter account with a third-party service.

Understanding CVE-2017-0911

This CVE involves a vulnerability in Twitter Kit for iOS versions 3.0 to 3.2.1 related to callback verification in the "Login with Twitter" feature.

What is CVE-2017-0911?

The vulnerability in Twitter Kit for iOS versions 3.0 to 3.2.1 allows attackers to provide alternative login credentials due to a flaw in callback verification during the authentication process.

The Impact of CVE-2017-0911

This vulnerability poses a risk of forgery, enabling attackers to associate a Twitter account with a third-party service.

Technical Details of CVE-2017-0911

Twitter Kit for iOS versions 3.0 to 3.2.1 is susceptible to a specific flaw in the authentication process.

Vulnerability Description

The flaw lies in the callback verification process during the "Login with Twitter" feature, allowing attackers to supply alternate login credentials.

Affected Systems and Versions

Product: Twitter Kit for iOS
Vendor: Twitter
Versions Affected: 3.0 to 3.2.1

Exploitation Mechanism

Attackers can exploit the absence of proper verification in the callback handler to forge authentication data.

Mitigation and Prevention

Steps to address and prevent the CVE-2017-0911 vulnerability.

Immediate Steps to Take

Update Twitter Kit for iOS to a non-vulnerable version.
Monitor account activities for any unauthorized access.

Long-Term Security Practices

Implement multi-factor authentication for enhanced security.
Regularly review and update security protocols.

Patching and Updates

Apply patches and updates provided by Twitter to fix the vulnerability.