CVE-2021-23803 : Security Advisory and Response

A critical vulnerability tracked as CVE-2021-23803 has been identified in the latte/latte package before version 2.10.6. This CVE allows attackers to bypass allowFunctions, impacting application security.

Understanding CVE-2021-23803

This section delves into the core details of the CVE-2021-23803 vulnerability.

What is CVE-2021-23803?

CVE-2021-23803 affects the latte/latte package prior to version 2.10.6. It allows threat actors to bypass allowFunctions, compromising application security.

The Impact of CVE-2021-23803

This vulnerability has a CVSS base score of 9.8 out of 10, categorizing it as critical. With high impacts on confidentiality, integrity, and availability, this flaw poses severe risks to affected systems.

Technical Details of CVE-2021-23803

Explore the technical aspects of CVE-2021-23803 in this section.

Vulnerability Description

The vulnerability enables attackers to bypass allowFunctions in the latte/latte package. Exploiting this flaw involves adding control characters (x00-x08) after functions, thereby circumventing specified restrictions.

Affected Systems and Versions

Systems using latte/latte versions earlier than 2.10.6 are vulnerable to this security issue.

Exploitation Mechanism

Threat actors can exploit CVE-2021-23803 over a network with low attack complexity. The exploitation leads to high impacts on confidentiality, integrity, and availability.

Mitigation and Prevention

Discover the steps to mitigate and prevent the CVE-2021-23803 vulnerability.

Immediate Steps to Take

Immediately update latte/latte to version 2.10.6 or later to mitigate the vulnerability. Implement network controls to prevent unauthorized access.

Long-Term Security Practices

Adopt security best practices, including regular security assessments and code reviews, to enhance overall system security.

Patching and Updates

Stay informed about security patches and updates for the latte/latte package. Regularly apply patches to ensure system protection.