CVE-2022-37333 in Exment
Summary
by MITRE • 08/24/2022
SQL injection vulnerability in the Exment ((PHP8) exceedone/exment v5.0.2 and earlier and exceedone/laravel-admin v3.0.0 and earlier, (PHP7) exceedone/exment v4.4.2 and earlier and exceedone/laravel-admin v2.2.2 and earlier) allows remote authenticated attackers to execute arbitrary SQL commands.
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Analysis
by VulDB Data Team • 09/25/2022
The CVE-2022-37333 vulnerability represents a critical sql injection flaw affecting the exment application platform which is widely used for enterprise content management and workflow automation. This vulnerability specifically impacts versions of both exment and laravel-admin components where the application fails to properly sanitize user input before incorporating it into sql query constructions. The flaw exists in the authentication handling mechanisms of the web application where legitimate users can exploit this weakness to escalate their privileges and execute unauthorized database operations. The vulnerability affects both php8 and php7 versions of the affected software, with specific version ranges including exment v5.0.2 and earlier, laravel-admin v3.0.0 and earlier, exment v4.4.2 and earlier, and laravel-admin v2.2.2 and earlier, making it a widespread issue across multiple release lines of the software stack.
The technical exploitation of this vulnerability occurs through authenticated user sessions where attackers can manipulate input parameters to inject malicious sql payloads into the application's database layer. This occurs due to inadequate input validation and parameter binding mechanisms within the application's sql query construction methods. When legitimate users submit data through web forms or api endpoints, the application fails to properly escape or parameterize these inputs before incorporating them into database queries. This allows attackers to craft malicious inputs that bypass normal sql query execution restrictions and directly manipulate the underlying database structure. The vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses sql injection flaws, and aligns with attack techniques described in the attack pattern taxonomy under the category of sql injection attacks.
The operational impact of CVE-2022-37333 extends beyond simple data theft or manipulation to include complete system compromise and potential data exfiltration. Attackers can leverage this vulnerability to execute arbitrary sql commands that may allow them to extract sensitive information from database tables, modify or delete critical system data, and potentially escalate privileges within the application environment. The authenticated nature of the attack means that attackers must first obtain valid user credentials, but once achieved, they can perform operations that would normally be restricted to administrators or system-level users. This vulnerability particularly affects organizations using exment for critical business processes including document management, workflow automation, and enterprise resource planning where the compromise of database integrity could lead to significant operational disruption and regulatory compliance violations.
Mitigation strategies for CVE-2022-37333 should prioritize immediate patching of affected software versions to the latest releases that contain proper sql injection防护 mechanisms. Organizations should implement comprehensive input validation and parameterized query construction throughout their application codebase to prevent similar vulnerabilities from emerging in other components. Network segmentation and access control measures should be implemented to limit the potential impact of successful exploitation attempts, while database audit logging should be enabled to monitor for unauthorized sql operations. Security teams should also conduct thorough code reviews focusing on sql query construction patterns and implement automated scanning tools to identify similar vulnerabilities across their entire software portfolio. The vulnerability demonstrates the critical importance of maintaining up-to-date software components and implementing proper security controls as outlined in industry best practices for web application security and database protection standards.