CVE-2023-26855 : What You Need to Know

This CVE entry relates to a security vulnerability in ChurchCRM v4.5.3 that impacts the hashing algorithm by using a non-random salt value. This flaw allows malicious actors to potentially crack hashed passwords using precomputed hash tables or dictionary attacks.

Understanding CVE-2023-26855

This section delves into the details of CVE-2023-26855, outlining the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-26855?

The vulnerability in ChurchCRM v4.5.3 arises from the utilization of a non-random salt value in its hashing algorithm. This oversight enables attackers to employ precomputed hash tables or dictionary attacks to decipher hashed passwords, compromising user account security.

The Impact of CVE-2023-26855

The impact of CVE-2023-26855 is significant as it jeopardizes the confidentiality and integrity of user passwords stored within ChurchCRM v4.5.3. With the ability for threat actors to potentially crack hashed passwords, there is a heightened risk of unauthorized access to user accounts and sensitive data.

Technical Details of CVE-2023-26855

This section provides a deeper dive into the technical aspects of CVE-2023-26855, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from the insecure use of a non-random salt value in the hashing algorithm of ChurchCRM v4.5.3, making it susceptible to attacks that aim to crack hashed passwords through precomputed hash tables or dictionary attacks.

Affected Systems and Versions

ChurchCRM v4.5.3 is specifically impacted by this vulnerability due to its flawed hashing algorithm implementation. Users of this version are at risk of having their hashed passwords compromised by attackers leveraging hash cracking techniques.

Exploitation Mechanism

Attackers can exploit CVE-2023-26855 by leveraging the non-random salt value in ChurchCRM v4.5.3's hashing algorithm to crack hashed passwords using precomputed hash tables or dictionary attacks. This exploitation technique poses a serious threat to user credentials and system security.

Mitigation and Prevention

In this section, we discuss the necessary steps to mitigate the risks posed by CVE-2023-26855, focusing on immediate actions and long-term security practices.

Immediate Steps to Take

To address CVE-2023-26855, users of ChurchCRM v4.5.3 should consider updating to a patched version that addresses the vulnerability. Additionally, users are advised to reset passwords and employ strong, unique passwords to mitigate the risk of unauthorized access.

Long-Term Security Practices

Implementing secure password storage practices, such as salting passwords with random values and regularly updating hashing algorithms, can help prevent similar vulnerabilities in the future. It is also essential to stay vigilant for security updates and follow best practices for secure password management.

Patching and Updates

ChurchCRM users are encouraged to apply security patches released by the vendor to remediate CVE-2023-26855. Regularly updating software and promptly applying patches can help safeguard against known vulnerabilities and enhance overall system security.