CVE-2021-35472 : Vulnerability Insights and Analysis

An issue was discovered in LemonLDAP::NG before 2.0.12 that can lead to authorization bypass or spoofing due to session cache corruption. Attackers can authenticate as one of two different users by running a loop of authentication attempts.

Understanding CVE-2021-35472

This CVE identifies a vulnerability in LemonLDAP::NG that can allow attackers to bypass authorization or spoof identities.

What is CVE-2021-35472?

CVE-2021-35472 is a security flaw in LemonLDAP::NG before version 2.0.12. The vulnerability arises from session cache corruption, enabling malicious actors to potentially authenticate as different users.

The Impact of CVE-2021-35472

If exploited, this vulnerability can result in unauthorized access or identity masquerading, compromising the security and integrity of the affected systems.

Technical Details of CVE-2021-35472

This section dives into the specifics of the vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in LemonLDAP::NG before 2.0.12 allows session cache corruption, facilitating an attacker to alternate between authenticating as different users through multiple authentication attempts.

Affected Systems and Versions

All versions of LemonLDAP::NG before 2.0.12 are affected by this vulnerability, exposing them to potential authorization bypass and identity spoofing.

Exploitation Mechanism

By running a loop that initiates numerous authentication attempts, a malicious actor can exploit the session cache corruption to gain unauthorized access or spoof identities.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the risks posed by CVE-2021-35472 and prevent any unauthorized access or identity spoofing.

Immediate Steps to Take

Users are advised to update LemonLDAP::NG to version 2.0.12 or newer to patch the vulnerability and prevent potential exploitation by malicious entities.

Long-Term Security Practices

Implementing strong authentication mechanisms, monitoring user sessions, and conducting regular security audits can enhance the overall security posture and mitigate similar vulnerabilities in the future.

Patching and Updates

Regularly applying security patches and updates provided by LemonLDAP::NG is crucial to addressing known vulnerabilities, enhancing system security, and safeguarding against potential threats.