CVE-2022-28552 in Cscms
Summary
by MITRE • 05/04/2022
Cscms 4.1 is vulnerable to SQL Injection. Log into the background, open the song module, create a new song, delete it to the recycle bin, and SQL injection security problems will occur when emptying the recycle bin.
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Analysis
by VulDB Data Team • 05/07/2022
The vulnerability identified as CVE-2022-28552 affects Cscms version 4.1 and represents a critical SQL injection flaw within the content management system's song module. This vulnerability specifically manifests when administrators interact with the recycle bin functionality, creating a dangerous attack vector that can be exploited by malicious actors to gain unauthorized access to the underlying database infrastructure. The vulnerability is particularly concerning because it requires only administrative privileges to exploit, making it accessible to users with legitimate access who may have malicious intent.
The technical implementation of this vulnerability stems from inadequate input validation and improper parameter handling within the song module's recycle bin operations. When administrators perform actions such as deleting songs to the recycle bin and subsequently emptying that recycle bin, the application fails to properly sanitize user-supplied data before incorporating it into SQL queries. This flaw allows attackers to inject malicious SQL code that can manipulate the database structure, extract sensitive information, or even execute arbitrary commands on the database server. The vulnerability maps to CWE-89 which specifically addresses SQL injection weaknesses in software applications.
The operational impact of this vulnerability extends beyond simple data theft or manipulation. Attackers who successfully exploit this vulnerability can potentially escalate their privileges within the application, access confidential user data, modify or delete critical content, and in severe cases, compromise the entire database infrastructure. The attack surface is particularly dangerous because it operates within the administrative interface where legitimate users already possess elevated privileges, making detection more challenging and the potential damage more significant. This vulnerability directly aligns with ATT&CK technique T1078 which covers legitimate credentials usage and T1190 which addresses exploitation of remote services.
Mitigation strategies for this vulnerability require immediate patching of the Cscms application to version 4.2 or later, which contains the necessary security fixes. Organizations should also implement proper input validation at multiple layers including application code, database queries, and web application firewalls. Database administrators should review and restrict database user permissions, ensuring that the application connects using least privilege accounts with minimal required database access. Additionally, implementing proper logging and monitoring of administrative activities can help detect suspicious behavior patterns that may indicate exploitation attempts. Security teams should conduct regular vulnerability assessments and penetration testing to identify similar weaknesses in other components of the application stack, particularly focusing on areas where user input is processed within database operations. The remediation process should also include comprehensive security training for administrators to recognize and respond to potential exploitation attempts.