CVE-2021-21253 : Security Advisory and Response

OnlineVotingSystem before version 1.1.2 hashes user passwords without a salt, making it vulnerable to dictionary attacks. This CVE-2021-21253 affects the security of the voting system managed by dbijaya on GitHub.

Understanding CVE-2021-21253

This section aims to provide insights into the nature and impact of the CVE-2021-21253 vulnerability.

What is CVE-2021-21253?

CVE-2021-21253 highlights the issue in OnlineVotingSystem where user passwords are hashed without a salt, facilitating easier dictionary attacks.

The Impact of CVE-2021-21253

The vulnerability in OnlineVotingSystem can lead to a security breach in the voting system managed by dbijaya. Attackers can use dictionary attack techniques to crack passwords due to the absence of a salt.

Technical Details of CVE-2021-21253

This section outlines the specifics of the CVE-2021-21253 vulnerability.

Vulnerability Description

OnlineVotingSystem versions prior to 1.1.2 hash user passwords without a salt, exposing them to dictionary attacks.

Affected Systems and Versions

Product: OnlineVotingSystem
Vendor: dbijaya
Versions Affected: < 1.1.2

Exploitation Mechanism

Attackers can exploit the vulnerability by pre-computing hash values using techniques like rainbow tables due to the absence of a salt.

Mitigation and Prevention

Protecting systems from CVE-2021-21253 is crucial for ensuring the security of OnlineVotingSystem.

Immediate Steps to Take

Users are advised to update OnlineVotingSystem to version 1.1.2 or later, where a long randomly generated salt is added to enhance password security.

Long-Term Security Practices

Implement strong password policies, enable multi-factor authentication, and regularly update the system to prevent similar vulnerabilities.

Patching and Updates

Regularly monitor for security advisories and apply patches provided by the vendor to address known vulnerabilities in OnlineVotingSystem.