CVE-2022-30240 in Simba Amazon Redshift JDBC Driver
Summary
by MITRE • 05/09/2022
An argument injection vulnerability in the browser-based authentication component of the Magnitude Simba Amazon Redshift JDBC Driver 1.2.40 through 1.2.55 may allow a local user to execute code. NOTE: this is different from CVE-2022-29972.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 05/12/2022
The vulnerability identified as CVE-2022-30240 represents a critical argument injection flaw within the Magnitude Simba Amazon Redshift JDBC Driver, specifically affecting versions 1.2.40 through 1.2.55. This issue resides within the browser-based authentication component of the driver, creating a potential code execution pathway for local attackers. The flaw manifests when user-supplied arguments are improperly handled during the authentication process, allowing malicious input to be interpreted as command-line arguments rather than data parameters. Such vulnerabilities typically arise from inadequate input validation and sanitization mechanisms within the driver's authentication framework, where the system fails to properly escape or encode user-provided data before incorporating it into system calls or command executions.
The technical exploitation of this vulnerability follows a classic argument injection pattern that aligns with CWE-77 and CWE-88 categories, where command-line arguments are manipulated to execute unintended code. Attackers can craft malicious input that gets processed as part of the authentication flow, potentially allowing them to inject additional arguments or commands that the driver's authentication component will execute. This type of vulnerability is particularly dangerous in database environments where JDBC drivers are frequently used for connecting to data sources, as it can enable attackers to escalate privileges or execute arbitrary commands on the system hosting the driver. The local user requirement indicates that the attack vector involves someone already having access to the system, but the privilege escalation potential makes this a significant concern for organizations with less privileged user accounts.
The operational impact of CVE-2022-30240 extends beyond simple code execution, as it can compromise the integrity and confidentiality of database communications within the affected environment. Organizations utilizing Amazon Redshift through the Simba JDBC driver in their applications or data pipelines face potential exposure to unauthorized access to sensitive data and system resources. The vulnerability's presence in browser-based authentication components suggests that web applications or tools leveraging this driver for database connections could be particularly at risk, as these interfaces often handle user input from untrusted sources. This flaw could enable attackers to bypass authentication mechanisms, execute malicious code with the privileges of the application or service using the driver, and potentially access underlying database systems or associated network resources.
Mitigation strategies for CVE-2022-30240 should prioritize immediate patching of affected driver versions to the latest releases that address the argument injection vulnerability. Organizations should implement comprehensive input validation and sanitization measures within their applications that utilize the affected driver, ensuring that all user-provided data undergoes proper encoding and escaping before being processed. Network segmentation and privilege separation practices should be enforced to limit the potential impact of successful exploitation, while monitoring systems should be configured to detect anomalous authentication patterns or command executions that might indicate exploitation attempts. Additionally, security teams should conduct thorough vulnerability assessments of all applications and services using the affected driver version, implementing the principle of least privilege for database connections and establishing robust logging and alerting mechanisms to detect potential abuse of this vulnerability. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting the use of application vulnerabilities to gain elevated system access.