CVE-2017-11416 in Fiyo
Summary
by MITRE
Fiyo CMS 2.0.7 has SQL injection in /apps/app_comment/controller/insert.php via the name parameter.
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Analysis
by VulDB Data Team • 10/27/2019
The vulnerability CVE-2017-11416 represents a critical SQL injection flaw in Fiyo CMS version 2.0.7 that specifically targets the application's comment insertion functionality. This vulnerability exists within the /apps/app_comment/controller/insert.php file where user input is improperly handled, creating an exploitable condition that allows remote attackers to execute arbitrary SQL commands against the underlying database. The vulnerability is particularly concerning as it affects the core comment system of the content management platform, potentially enabling attackers to access, modify, or delete sensitive data stored within the CMS database.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization of the name parameter within the comment insertion controller. When users submit comments through the web interface, the name field is directly incorporated into SQL query construction without proper parameterization or input filtering. This design flaw aligns with CWE-89, which categorizes SQL injection as a weakness where untrusted data is embedded into SQL commands, and reflects the common pattern of insecure direct object reference or improper input handling. Attackers can exploit this by crafting malicious input that includes SQL payload sequences, potentially bypassing authentication mechanisms, extracting database schemas, or even gaining administrative control over the CMS instance.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with comprehensive database access capabilities that can compromise the entire web application infrastructure. Successful exploitation could result in complete database compromise, allowing unauthorized users to view sensitive information including user credentials, personal data, and application configuration details. The vulnerability also presents risks for further lateral movement within network environments, as compromised CMS instances often serve as footholds for broader attacks. From an ATT&CK framework perspective, this vulnerability maps to TA0006 Credential Access and TA0005 Defense Evasion, as attackers can use it to extract credentials and potentially hide their activities through database manipulation.
Mitigation strategies for CVE-2017-11416 should prioritize immediate patching of the affected Fiyo CMS version to the latest available release that addresses this SQL injection vulnerability. Organizations should implement proper input validation and parameterized queries throughout their application codebase, ensuring that all user-supplied data is properly escaped or parameterized before database interaction. Additionally, network segmentation and database access controls should be enforced to limit the potential damage from successful exploitation, while regular security assessments and penetration testing can help identify similar vulnerabilities in other applications. The remediation process should also include monitoring database logs for suspicious activity patterns that may indicate exploitation attempts, and implementing web application firewalls to detect and block malicious SQL injection payloads.