CVE-2022-30331 in TigerGraph
Summary
by MITRE • 09/05/2022
** DISPUTED ** The User-Defined Functions (UDF) feature in TigerGraph 3.6.0 allows installation of a query (in the GSQL query language) without proper validation. Consequently, an attacker can execute arbitrary C++ code. NOTE: the vendor's position is "GSQL was behaving as expected."
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Analysis
by VulDB Data Team • 08/03/2024
The vulnerability CVE-2022-30331 resides within TigerGraph 3.6.0's User-Defined Functions (UDF) implementation, representing a critical security flaw that undermines the system's integrity and execution environment. This issue specifically targets the GSQL query language processing mechanism where the system fails to properly validate user-provided queries before installation. The vulnerability stems from insufficient input sanitization and validation controls that should normally prevent arbitrary code execution within the database environment. According to the vendor's stance, this behavior is considered expected, which raises significant concerns about the security posture of the platform and its adherence to secure coding practices.
The technical exploitation of this vulnerability occurs through the UDF feature's failure to validate query inputs, allowing malicious actors to inject and execute arbitrary C++ code within the TigerGraph environment. This represents a severe privilege escalation vector where unauthenticated or authenticated users can potentially gain unauthorized access to the underlying system resources. The flaw operates at the intersection of code injection and privilege escalation, enabling attackers to execute arbitrary commands with the privileges of the database process. This vulnerability directly aligns with CWE-94, which describes "Improper Control of Generation of Code ('Code Injection')" and potentially maps to ATT&CK technique T1059.001 for command and scripting interpreter.
The operational impact of CVE-2022-30331 extends far beyond simple data compromise, as it allows for complete system control through arbitrary code execution. Attackers can leverage this vulnerability to install backdoors, exfiltrate sensitive data, modify database contents, or even escalate privileges to system-level access depending on the execution context. The implications are particularly severe in enterprise environments where TigerGraph may be used for critical data processing and analytics. The vendor's position that "GSQL was behaving as expected" suggests a fundamental misunderstanding of security boundaries and the principle of least privilege, potentially indicating broader architectural security issues.
Mitigation strategies for this vulnerability should focus on immediate patching and implementation of strict input validation measures. Organizations should implement network segmentation to limit access to TigerGraph instances and enforce strict access controls through authentication and authorization mechanisms. The implementation of a robust input validation framework that prevents code injection attacks should be prioritized, along with regular security assessments of the database environment. Additionally, monitoring and logging mechanisms should be enhanced to detect unauthorized query installations or suspicious execution patterns. Organizations may need to consider temporary workarounds such as disabling UDF functionality until proper patches are applied, though this could impact legitimate use cases. The vulnerability highlights the critical importance of secure coding practices and proper validation of user inputs in database systems to prevent privilege escalation attacks.