Description
PMB 7.4.6 contains a SQL injection vulnerability in the storage parameter of the ajax.php endpoint that allows remote attackers to manipulate database queries. Attackers can exploit the unsanitized 'id' parameter by injecting conditional sleep statements to extract information or perform time-based blind SQL injection attacks.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-204819
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2025-204819 pertains to a SQL injection flaw in PMB (PhpMyBibli) version 7.4.6. The 'id' parameter in the ajax.php endpoint is unsanitized, allowing remote attackers to manipulate database queries. The CVSS (Common Vulnerability Scoring System) base score of 9.3 indicates a critical severity level. The vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N highlights the following:
- Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
- Attack Complexity (AC): Low (L) - The attack requires minimal skill and resources.
- Authentication (AT): None (N) - No authentication is required to exploit the vulnerability.
- Privileges Required (PR): None (N) - No special privileges are needed.
- User Interaction (UI): None (N) - No user interaction is required.
- Confidentiality Impact (VC): High (H) - The vulnerability can lead to significant data breaches.
- Integrity Impact (VI): High (H) - The integrity of the data can be compromised.
- Availability Impact (VA): Low (L) - The availability impact is minimal.
- Scope (SC): Not Changed (N) - The scope of the vulnerability does not change.
- Secondary Impact (SI): Not Changed (N) - There are no secondary impacts.
- Secondary Availability (SA): Not Changed (N) - There are no secondary availability impacts.
2. Potential Attack Vectors and Exploitation Methods
Attackers can exploit this vulnerability through the following methods:
- Conditional Sleep Statements: Injecting conditional sleep statements to perform time-based blind SQL injection attacks. This method allows attackers to extract information by observing the time delay in responses.
- Data Exfiltration: By manipulating SQL queries, attackers can extract sensitive information from the database, including user credentials, personal data, and other confidential information.
- Database Manipulation: Attackers can alter database entries, delete data, or insert malicious data, compromising the integrity of the database.
3. Affected Systems and Software Versions
The vulnerability specifically affects PMB version 7.4.6. Other versions of PMB may also be vulnerable if they share the same codebase without proper sanitization of the 'id' parameter in the ajax.php endpoint. Organizations using PMB for library management should immediately assess their systems for this vulnerability.
4. Recommended Mitigation Strategies
To mitigate the risk associated with this vulnerability, the following steps are recommended:
- Patch Management: Apply the latest patches and updates provided by SIGB for PMB. Ensure that all instances of PMB are updated to a version that addresses this vulnerability.
- Input Validation: Implement robust input validation and sanitization for all user inputs, especially for parameters used in SQL queries.
- Web Application Firewalls (WAF): Deploy WAFs to monitor and block suspicious SQL injection attempts.
- Database Security: Use prepared statements and parameterized queries to prevent SQL injection attacks.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and remediate similar issues.
5. Impact on European Cybersecurity Landscape
The presence of this vulnerability in a widely-used library management system like PMB poses significant risks to European organizations, particularly those in the education and public sectors. Data breaches resulting from this vulnerability can lead to:
- Data Privacy Violations: Compromise of personal and sensitive data, leading to potential GDPR violations and legal consequences.
- Operational Disruptions: Unauthorized modifications to the database can disrupt library operations and services.
- Reputation Damage: Data breaches can erode public trust and damage the reputation of affected organizations.
6. Technical Details for Security Professionals
For security professionals, the following technical details are crucial:
- Vulnerable Endpoint: The
ajax.phpendpoint with the unsanitized 'id' parameter. - Exploitation Technique: Injecting SQL commands through the 'id' parameter to manipulate database queries.
- Detection Methods: Monitor network traffic for unusual SQL query patterns and time delays indicative of time-based blind SQL injection attacks.
- Mitigation Tools: Use tools like SQLMap for automated SQL injection testing and remediation. Implement logging and monitoring solutions to detect and respond to suspicious activities.
Conclusion
The SQL injection vulnerability in PMB 7.4.6 is a critical issue that requires immediate attention. Organizations should prioritize patching and implementing robust security measures to protect against potential exploitation. The European cybersecurity landscape must remain vigilant against such vulnerabilities to safeguard data integrity and privacy.