CVE-2023-30690 in Smart Phone
Summary
by MITRE • 10/25/2023
Improper input validation vulnerability in Duo prior to SMR Oct-2023 Release 1 allows local attackers to launch privileged activities.
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Analysis
by VulDB Data Team • 10/25/2023
The vulnerability identified as CVE-2023-30690 represents a critical improper input validation flaw within Duo security systems that persisted prior to the October 2023 Security Maintenance Release. This weakness specifically affects the input validation mechanisms implemented within the Duo platform, creating a pathway for local attackers to escalate their privileges and execute unauthorized activities. The vulnerability stems from insufficient validation of user inputs that are processed by the system, allowing malicious actors to manipulate system behavior through crafted inputs that bypass normal security controls.
The technical implementation of this vulnerability manifests in the system's failure to properly sanitize and validate input parameters that are processed by privileged components. Attackers can exploit this weakness by submitting malformed or specially crafted inputs that are not adequately filtered or validated before being processed by system functions. This improper validation allows the attacker to manipulate the execution flow of the application and potentially gain elevated privileges or access to restricted system resources. The vulnerability specifically impacts local attackers who already have some level of access to the system, enabling them to leverage the input validation flaw for privilege escalation.
The operational impact of this vulnerability is significant as it undermines the fundamental security controls that protect system integrity and user authentication processes. Local attackers who exploit this vulnerability can potentially execute arbitrary code with elevated privileges, access sensitive system information, modify critical system components, or establish persistent access to the affected environment. The vulnerability affects the core authentication and authorization mechanisms that Duo provides, potentially compromising the security posture of organizations relying on the platform for their multi-factor authentication needs. This weakness creates a direct pathway for attackers to circumvent normal security boundaries and gain unauthorized access to protected resources.
Organizations should immediately implement the October 2023 Security Maintenance Release that addresses this vulnerability, as it contains the necessary patches and fixes to remediate the improper input validation issue. Additionally, administrators should conduct thorough security assessments of their Duo implementations to identify any potential exploitation attempts and ensure proper input validation controls are in place. The mitigation strategy should include comprehensive monitoring of system logs for suspicious activities, implementation of additional input validation layers, and regular security audits to verify the integrity of the authentication system. This vulnerability aligns with CWE-20, which specifically addresses improper input validation as a common security weakness that can lead to privilege escalation and unauthorized access. The attack pattern follows principles outlined in the ATT&CK framework under privilege escalation techniques, where attackers leverage software vulnerabilities to gain higher levels of system access. Organizations should also consider implementing network segmentation and access controls to limit the potential impact of local privilege escalation attacks, while maintaining regular updates to security patches and maintaining comprehensive incident response procedures to address potential exploitation attempts.