Learn about CVE-2023-49282 affecting Microsoft Graph Library for PHP. Discover the impact, affected versions, exploitation details, and mitigation steps.
This article provides detailed information about CVE-2023-49282, a vulnerability found in the Microsoft Graph Library for PHP that exposes sensitive information through the phpInfo() function.
Understanding CVE-2023-49282
CVE-2023-49282 is a vulnerability in the Microsoft Graph Library for PHP that allows unauthorized actors to access system information through the phpInfo() function.
What is CVE-2023-49282?
The vulnerability affects the GetPhpInfo.php script of the PHP SDK, enabling the execution of the phpInfo() function. Exploiting this vulnerability requires a misconfiguration of the server, such as making the PHP application's /vendor directory web-accessible.
The Impact of CVE-2023-49282
An attacker could craft an HTTP request to execute the phpInfo() method, gaining access to system information like configuration, modules, and environment variables. This compromised data can be used to access additional sensitive information.
Technical Details of CVE-2023-49282
This section provides in-depth technical details of the CVE-2023-49282 vulnerability.
Vulnerability Description
The vulnerability in the GetPhpInfo.php script allows attackers to leverage the phpInfo() function to access sensitive system information.
Affected Systems and Versions
Affected systems include versions of msgraph-sdk-php prior to 1.109.1 and versions >= 2.0.0-RC1 and < 2.0.1.
Exploitation Mechanism
Exploiting the vulnerability requires a misconfigured server, enabling attackers to execute the phpInfo() function and access system details.
Mitigation and Prevention
Learn how to mitigate the CVE-2023-49282 vulnerability and prevent future security risks.
Immediate Steps to Take
Update to patched versions 1.109.1 or 2.0.0-RC5. If immediate deployment is not possible, consider temporary workarounds like deleting the vulnerable file or restricting access to directories.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and stay informed about potential vulnerabilities in third-party libraries.
Patching and Updates
Regularly update software components and dependencies to ensure that known security vulnerabilities are addressed.