CVE-2023-49103 : Security Advisory and Response
Discover the impact of CVE-2023-49103 on ownCloud's graphapi app, leading to credential exposure. Learn about affected systems, exploitation, and mitigation steps.
An issue in ownCloud's graphapi app exposes sensitive PHP configuration details, potentially leading to credential disclosure.
Understanding CVE-2023-49103
In this CVE, the ownCloud graphapi app utilizes a third-party library that, when accessed, reveals PHP environment configuration details, including sensitive data.
What is CVE-2023-49103?
The ownCloud graphapi app's reliance on the GetPhpInfo.php library allows for the exposure of PHP configuration details, which may include sensitive data such as admin passwords and server credentials.
The Impact of CVE-2023-49103
This vulnerability poses a critical risk as attackers can access sensitive information like server credentials and system configuration details, potentially leading to unauthorized access and data breaches.
Technical Details of CVE-2023-49103
The vulnerability lies in the exposure of sensitive PHP environment details through the graphapi app, even in non-containerized ownCloud deployments.
Vulnerability Description
The ownCloud graphapi app exposes PHP configuration details, including sensitive data like admin passwords, mail server credentials, and license keys, allowing attackers to gather critical information.
Affected Systems and Versions
All ownCloud graphapi versions before 0.2.1 and 0.3.1 are affected by this vulnerability, regardless of containerized deployment.
Exploitation Mechanism
Attackers can exploit this vulnerability by accessing the URL provided by the GetPhpInfo.php library to gather sensitive PHP configuration details.
Mitigation and Prevention
Taking immediate steps to address the CVE and implementing long-term security practices are crucial in mitigating the risk of data exposure and unauthorized access.
Immediate Steps to Take
Disable the graphapi app, update to versions 0.2.1 or 0.3.1, review and secure sensitive configuration details, and monitor for any unauthorized access.
Long-Term Security Practices
Regularly update ownCloud and its apps, conduct security assessments, restrict access to sensitive information, and educate users on secure practices.
Patching and Updates
Ensure timely installation of patches released by ownCloud to address the vulnerability and strengthen system security.