CVE-2021-28142 in CITSmart
Summary
by MITRE • 04/06/2021
CITSmart before 9.1.2.28 mishandles the "filtro de autocomplete."
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Analysis
by VulDB Data Team • 08/19/2024
The vulnerability identified as CVE-2021-28142 affects CITSmart versions prior to 9.1.2.28 and relates to improper handling of autocomplete filtering functionality. This issue represents a significant security flaw within the application's input validation and data processing mechanisms. The vulnerability stems from insufficient sanitization and validation of user inputs passed to the autocomplete feature, creating potential attack vectors that could be exploited by malicious actors. The affected system processes user queries through an autocomplete mechanism that fails to properly validate or sanitize the filter parameters, leading to potential injection attacks or unauthorized data access.
The technical implementation flaw manifests in the way the application processes autocomplete requests and handles filter parameters. When users interact with the autocomplete functionality, the system does not adequately validate the input data before processing it, potentially allowing attackers to inject malicious payloads or manipulate the filtering logic. This type of vulnerability commonly falls under CWE-20, which addresses improper input validation, and may also align with CWE-79, concerning cross-site scripting vulnerabilities. The vulnerability enables attackers to bypass normal access controls and potentially execute arbitrary code or retrieve sensitive information through crafted input parameters.
The operational impact of this vulnerability extends beyond simple data exposure, as it could allow attackers to escalate privileges or gain unauthorized access to system resources. The autocomplete feature typically serves as an interface for users to search and filter data, making it a critical component in the application's user experience and data access patterns. An attacker exploiting this vulnerability could manipulate the filtering logic to access restricted data sets, potentially compromising the integrity and confidentiality of the system. The vulnerability also represents a potential entry point for more sophisticated attacks, as it may enable privilege escalation or provide information that could be used for further exploitation within the system.
Mitigation strategies for CVE-2021-28142 should prioritize immediate patching of the affected CITSmart versions to 9.1.2.28 or later. Organizations should implement comprehensive input validation mechanisms that sanitize all user inputs before processing them through the autocomplete functionality. The solution must include proper parameter validation, input encoding, and output sanitization to prevent injection attacks. Security teams should also consider implementing web application firewalls and monitoring systems to detect anomalous behavior in autocomplete requests. Additionally, access controls should be reviewed to ensure that the autocomplete functionality does not inadvertently expose sensitive data or provide unauthorized access to system resources. The remediation process should follow industry standards such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks to ensure comprehensive protection against similar vulnerabilities.