CVE-2015-8355 in Form module
Summary
by MITRE
Multiple SQL injection vulnerabilities in the orion.extfeedbackform module before 2.1.3 for Bitrix allow remote authenticated users to execute arbitrary SQL commands via the (1) order or (2) "by" parameter to admin/orion.extfeedbackform_efbf_forms.php.
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Analysis
by VulDB Data Team • 11/10/2019
The CVE-2015-8355 vulnerability represents a critical SQL injection flaw within the orion.extfeedbackform module of Bitrix platforms prior to version 2.1.3. This vulnerability affects the administrative interface of the feedback form extension, creating a pathway for malicious actors to exploit the system through carefully crafted SQL commands. The vulnerability specifically targets two parameter inputs within the admin/orion.extfeedbackform_efbf_forms.php script, namely the 'order' and 'by' parameters, which are processed without adequate input validation or sanitization. The flaw allows authenticated users to manipulate database queries, potentially gaining unauthorized access to sensitive data or executing destructive operations on the underlying database system.
The technical implementation of this vulnerability stems from improper parameter handling within the Bitrix administrative module. When the 'order' and 'by' parameters are passed to the admin/orion.extfeedbackform_efbf_forms.php endpoint, the application fails to properly sanitize or escape these inputs before incorporating them into SQL query construction. This creates an environment where malicious input can be interpreted as part of the SQL command rather than as data, allowing attackers to inject arbitrary SQL code. The vulnerability falls under CWE-89, which specifically addresses SQL injection flaws in software applications. The attack vector requires authentication, meaning that an attacker must first obtain valid credentials to exploit this vulnerability, but once authenticated, the impact can be severe.
From an operational perspective, this vulnerability presents significant risk to organizations using affected Bitrix versions. The ability to execute arbitrary SQL commands through the administrative interface could enable attackers to extract sensitive information such as user credentials, personal data, or business-critical information stored in the database. Additionally, attackers could potentially modify or delete database records, disrupt service availability, or even escalate privileges within the system. The vulnerability's impact extends beyond simple data theft, as it could facilitate further compromise of the entire Bitrix platform and underlying infrastructure. According to ATT&CK framework, this vulnerability maps to T1071.005 for application layer protocol usage and T1566.001 for credential harvesting, as the exploitation process requires authentication and can lead to credential compromise. Organizations running affected versions may experience unauthorized access to their customer feedback data, which could include personal information, business communications, or other sensitive materials.
Mitigation strategies for CVE-2015-8355 should prioritize immediate patching of the affected Bitrix installations to version 2.1.3 or later, which contains the necessary security fixes. Organizations should also implement additional defensive measures including input validation, parameterized queries, and proper access controls to limit the potential impact of such vulnerabilities. Network segmentation and monitoring of administrative interfaces can help detect anomalous behavior that might indicate exploitation attempts. Security teams should conduct thorough vulnerability assessments to identify any other potentially affected modules or components within their Bitrix installations. Regular security updates and patch management processes should be strengthened to prevent similar vulnerabilities from arising in the future, as this type of flaw demonstrates the critical importance of proper input sanitization in database interactions. The vulnerability highlights the necessity of following secure coding practices and implementing defense-in-depth strategies to protect against SQL injection attacks that could compromise entire database systems.