CVE-2019-7568 in baijiacms
Summary
by MITRE
An issue was discovered in baijiacms V4 that can result in time-based blind SQL injection to get data via the cate parameter in an index.php?act=index request.
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Analysis
by VulDB Data Team • 07/06/2023
The vulnerability identified as CVE-2019-7568 affects baijiacms version 4, representing a critical time-based blind sql injection flaw that undermines the application's data security posture. This vulnerability specifically manifests through the cate parameter within the index.php?act=index request structure, allowing attackers to extract sensitive information from the underlying database through carefully crafted malicious inputs. The flaw exploits the application's insufficient input validation and sanitization mechanisms, creating an attack vector where malicious SQL commands can be executed without proper authorization.
The technical implementation of this vulnerability stems from the application's failure to properly escape or parameterize user-supplied input values before incorporating them into database queries. When an attacker submits a crafted cate parameter value, the application processes this input directly within sql query construction without adequate sanitization measures. This allows an attacker to manipulate the sql execution flow through timing-based techniques, where the database response time varies based on boolean conditions embedded within the malicious payload. The attacker can infer database contents by observing response delays, effectively extracting data through a process known as time-based blind sql injection.
From an operational impact perspective, this vulnerability poses significant risks to organizations utilizing baijiacms v4, as it enables unauthorized data access and potential data exfiltration. Attackers can leverage this flaw to extract sensitive information including user credentials, personal data, system configurations, and other confidential database contents. The vulnerability's stealthy nature makes detection challenging since the malicious activity appears as normal application behavior, potentially allowing prolonged unauthorized access. The impact extends beyond simple data theft to include potential system compromise, service disruption, and regulatory compliance violations that could result in substantial financial and reputational damage.
Security practitioners should implement immediate mitigations including input validation and sanitization measures, parameterized queries, and proper output encoding to prevent sql injection attacks. The vulnerability aligns with common weakness enumeration CWE-89, which specifically addresses sql injection flaws in software applications. From an attack framework perspective, this vulnerability maps to attack technique T1071.004 within the attack tactics and techniques framework, representing application layer protocol manipulation. Organizations should also consider implementing web application firewalls, regular security code reviews, and vulnerability scanning to detect and prevent similar issues. The remediation approach requires comprehensive input validation, proper database access controls, and regular security assessments to maintain application integrity against evolving sql injection threats.