CVE-2017-1000011 in MyWebSQL
Summary
by MITRE
MyWebSQL version 3.6 is vulnerable to stored XSS in the database manager component resulting in account takeover or stealing of information
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Analysis
by VulDB Data Team • 10/26/2019
The vulnerability identified as CVE-2017-1000011 affects MyWebSQL version 3.6 and represents a critical stored cross-site scripting flaw within the database manager component. This vulnerability arises from insufficient input validation and output sanitization mechanisms that fail to properly escape user-supplied data before rendering it in web pages. The flaw allows attackers to inject malicious scripts that persist in the application's database and execute against unsuspecting users who access affected pages. The vulnerability is classified under CWE-79 as a failure to sanitize user input, specifically targeting the database management interface where users interact with database objects and execute queries.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input containing XSS payloads and submits it through the database manager component. This input is then stored in the application's database and subsequently rendered to other users without proper sanitization. The stored nature of the vulnerability means that the malicious script executes automatically whenever affected users access the compromised database management interface, making it particularly dangerous for multi-user environments. The vulnerability can be leveraged to execute arbitrary JavaScript code in the context of the victim's browser, potentially allowing attackers to steal session cookies, credentials, or perform actions on behalf of authenticated users.
The operational impact of CVE-2017-1000011 extends beyond simple data theft to include complete account takeover capabilities and unauthorized information access. Attackers can exploit this vulnerability to hijack user sessions, gain elevated privileges, and access sensitive database information. The stored XSS nature means that the attack vector persists even after the initial injection, allowing attackers to maintain access and continue exploiting the vulnerability over extended periods. This makes the vulnerability particularly dangerous in environments where database administrators or other privileged users regularly access the database manager component, as it can provide attackers with direct access to database contents and potentially lead to broader system compromise. The vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as the malicious scripts can execute commands and access system resources through the compromised browser session.
Mitigation strategies for this vulnerability require immediate patching of the MyWebSQL application to version 3.7 or later, which includes proper input sanitization and output encoding mechanisms. Organizations should implement comprehensive input validation that filters or escapes special characters in user-supplied data before storage, particularly in database management interfaces. The implementation of Content Security Policy headers can provide additional protection against XSS attacks by restricting script execution and limiting the sources from which scripts can be loaded. Regular security assessments and code reviews should focus on input handling mechanisms within web applications, ensuring that all user-supplied data is properly sanitized before being processed or stored. Network segmentation and privileged access controls should be implemented to limit the potential impact of successful exploitation, while monitoring systems should be deployed to detect unusual database access patterns that might indicate exploitation attempts. Additionally, user education regarding the risks of interacting with untrusted database content and regular security awareness training can help reduce the likelihood of successful exploitation through social engineering vectors.