CVE-2017-16716 in WebAccess
Summary
by MITRE
A SQL Injection issue was discovered in WebAccess versions prior to 8.3. WebAccess does not properly sanitize its inputs for SQL commands.
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Analysis
by VulDB Data Team • 07/03/2024
The vulnerability identified as CVE-2017-16716 represents a critical SQL injection flaw in Wonderware WebAccess software versions prior to 8.3. This issue stems from inadequate input sanitization mechanisms within the web application's database interaction layer, creating a pathway for malicious actors to inject arbitrary SQL commands into the backend database system. The flaw exists in the application's handling of user-supplied data that is directly incorporated into SQL queries without proper validation or escaping mechanisms, making it susceptible to exploitation by attackers who can manipulate database operations through crafted input sequences.
The technical implementation of this vulnerability allows attackers to bypass authentication mechanisms, extract sensitive data from the database, modify or delete records, and potentially gain unauthorized administrative access to the WebAccess system. This type of injection vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection weaknesses in software applications. The attack surface is particularly concerning given that WebAccess is commonly used in industrial control systems and manufacturing environments where database integrity and security are paramount for operational technology infrastructure.
From an operational perspective, this vulnerability presents significant risks to organizations utilizing Wonderware WebAccess in production environments, especially those in critical infrastructure sectors such as energy, water treatment, and manufacturing. The impact extends beyond simple data theft to potentially compromising the integrity of industrial processes, as attackers could manipulate operational data that controls machinery and production workflows. The vulnerability's exploitation requires minimal technical expertise and can be automated, making it particularly dangerous in environments where security monitoring may be limited. Attackers can leverage this weakness to perform unauthorized database queries, extract configuration information, access user credentials, and potentially escalate privileges within the system.
Mitigation strategies for CVE-2017-16716 should prioritize immediate patching of affected WebAccess installations to version 8.3 or later, which includes proper input validation and sanitization measures. Organizations should implement network segmentation to limit access to WebAccess systems and enforce strict access controls using the principle of least privilege. Database activity monitoring should be deployed to detect anomalous SQL query patterns that may indicate exploitation attempts. Additionally, regular security assessments and input validation reviews should be conducted to prevent similar vulnerabilities in other applications. The vulnerability aligns with ATT&CK technique T1071.005 for application layer protocol usage and T1190 for exploitation of remote services, making it a significant concern for both defensive and offensive cybersecurity operations. Organizations should also consider implementing web application firewalls and database activity monitoring solutions to provide additional layers of protection against SQL injection attacks targeting their industrial control systems.