CVE-2020-19301 in vaeThink
Summary
by MITRE • 08/04/2021
A vulnerability in the vae_admin_rule database table of vaeThink v1.0.1 allows attackers to execute arbitrary code via a crafted payload in the condition parameter.
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Analysis
by VulDB Data Team • 08/07/2021
The vulnerability identified as CVE-2020-19301 resides within the vaeThink v1.0.1 content management system where the vae_admin_rule database table fails to properly validate user input submitted through the condition parameter. This flaw represents a classic injection vulnerability that enables remote code execution through maliciously crafted database queries. The vulnerability stems from insufficient sanitization of input data before it is processed and stored within the database, creating an avenue for attackers to manipulate the system's query execution logic. Security researchers have classified this issue as a critical risk due to its potential for full system compromise and unauthorized access to sensitive data.
This vulnerability operates through a database injection attack vector where the condition parameter in the vae_admin_rule table accepts unfiltered user input that gets directly incorporated into database queries without proper validation or escaping mechanisms. The flaw allows attackers to inject malicious SQL commands that can manipulate the database structure, extract sensitive information, or execute arbitrary code on the underlying system. The attack typically involves crafting a payload that bypasses normal input validation and leverages the application's trust in the database query structure to execute unintended operations. The vulnerability is particularly dangerous because it operates at the database level, potentially allowing attackers to gain elevated privileges and access administrative functions.
The operational impact of CVE-2020-19301 extends beyond simple data theft to encompass complete system compromise and persistent access to affected environments. Successful exploitation can result in unauthorized access to administrative panels, data exfiltration, system file manipulation, and potential lateral movement within network infrastructures. Organizations running vaeThink v1.0.1 are at significant risk of experiencing unauthorized access to sensitive information, modification of database content, and potential use of compromised systems for further attacks against other network resources. The vulnerability's persistence is particularly concerning as it can remain undetected for extended periods while attackers maintain access to the compromised system.
Mitigation strategies for CVE-2020-19301 should prioritize immediate patching of the vaeThink v1.0.1 application to the latest version that addresses the database injection vulnerability. Organizations should implement input validation and sanitization measures that enforce strict parameter filtering and escape all user-supplied data before database processing. Database access controls should be reviewed to ensure least privilege principles are applied, and audit logging should be enhanced to detect suspicious query patterns. Security teams should also consider implementing web application firewalls to monitor and block malicious payloads targeting this specific vulnerability. The fix aligns with industry standards such as CWE-89 for SQL injection and follows ATT&CK framework techniques related to command and control operations through database manipulation. Regular security assessments and vulnerability scanning should be conducted to identify similar issues within the application stack and ensure comprehensive protection against similar attack vectors.