CVE-2021-41096 Explained : Impact and Mitigation

Rucky is a USB HID Rubber Ducky Launch Pad for Android. The vulnerability in versions prior to 2.3 exposes users to a weak cryptographic algorithm, leading to a high severity impact.

Understanding CVE-2021-41096

Rucky contains a vulnerability due to the use of a weak cryptographic algorithm, potentially posing a security risk.

What is CVE-2021-41096?

CVE-2021-41096 highlights a flaw in Rucky, allowing attackers to exploit weak encryption algorithms in certain versions of the software.

The Impact of CVE-2021-41096

The vulnerability scores a CVSS base score of 7.5 with a high severity level. It poses a significant threat to the confidentiality of affected systems.

Technical Details of CVE-2021-41096

The following details delve into the specific technical aspects of the CVE.

Vulnerability Description

Rucky versions prior to 2.3 employ a weak cryptographic algorithm, RSA/ECB/PKCS1Padding, which could be exploited by malicious actors.

Affected Systems and Versions

Product: Rucky
Vendor: mayankmetha
Versions Affected: < 2.3

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Confidentiality Impact: High
User Interaction: None
Privileges Required: None
Availability Impact: None
Integrity Impact: None
Scope: Unchanged

Mitigation and Prevention

Steps to address and prevent the CVE issue.

Immediate Steps to Take

Upgrade Rucky to version 2.3 or higher to mitigate the vulnerability.
Consider disabling advanced security features if unnecessary to reduce the attack surface.

Long-Term Security Practices

Regularly update Rucky to the latest version to patch security vulnerabilities.
Implement strong encryption protocols and follow secure coding practices.

Patching and Updates

Apply patches provided by the vendor promptly to address security weaknesses and protect against potential exploits.