CVE-2021-3644 : Exploit Details and Defense Strategies
Learn about CVE-2021-3644 impacting wildfly-core, allowing unauthorized users to access sensitive information stored in the vault. Find out the impact and mitigation steps.
A vulnerability has been identified in wildfly-core, affecting all versions, that could allow a user with access to the management interface to potentially access and retrieve sensitive information stored in the vault. This poses a risk to data confidentiality and integrity.
Understanding CVE-2021-3644
This section provides an overview of the CVE-2021-3644 vulnerability in wildfly-core.
What is CVE-2021-3644?
The flaw in wildfly-core allows a user granted access to the management interface to access a vault expression containing sensitive information that should be restricted, leading to a data confidentiality and integrity risk.
The Impact of CVE-2021-3644
The highest threat posed by CVE-2021-3644 is to data confidentiality and integrity. Unauthorized users could potentially retrieve sensitive information stored in the vault through a specific vault expression.
Technical Details of CVE-2021-3644
In this section, we delve into the technical aspects of the CVE-2021-3644 vulnerability in wildfly-core.
Vulnerability Description
The vulnerability arises when a vault expression in the form of a single attribute contains multiple expressions, enabling unauthorized access to restricted information.
Affected Systems and Versions
wildfly-core in all versions is impacted by this vulnerability.
Exploitation Mechanism
A user with access to the management interface can exploit the flaw to access and potentially retrieve sensitive information stored in the vault.
Mitigation and Prevention
Here we discuss the steps to mitigate and prevent the exploitation of CVE-2021-3644 in wildfly-core.
Immediate Steps to Take
Users are recommended to update wildfly-core to version 16.0.1.Final, 17.0.0.Final, or later to address the vulnerability.
Long-Term Security Practices
Implement strict access controls and regularly review and update security configurations to prevent unauthorized access.
Patching and Updates
Regularly apply security patches and updates provided by the vendor to ensure the ongoing protection of systems.