CVE-2022-33166 in Security Directory Suite VA
Summary
by MITRE • 06/15/2023
IBM Security Directory Suite VA 8.0.1 through 8.0.1.19 could allow a privileged user to upload malicious files of dangerous types that can be automatically processed within the product's environment. IBM X-Force ID: 228586.
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Analysis
by VulDB Data Team • 06/15/2023
The vulnerability identified as CVE-2022-33166 affects IBM Security Directory Suite VA versions 8.0.1 through 8.0.1.19, representing a critical file upload flaw that enables authenticated attackers with privileged access to potentially execute arbitrary code within the targeted environment. This vulnerability stems from insufficient input validation and sanitization mechanisms within the product's file processing pipeline, allowing malicious actors to upload files that can be automatically executed or interpreted by the system. The flaw specifically impacts the application's handling of user-uploaded content, creating a pathway for privilege escalation and potential system compromise through malicious file manipulation.
The technical exploitation of this vulnerability occurs through the manipulation of file upload functionality within the IBM Security Directory Suite VA interface. When a privileged user uploads malicious files, the system's inadequate validation processes fail to properly inspect or reject dangerous file types that could contain executable code or scripts. This flaw aligns with CWE-434, which describes insecure file upload vulnerabilities where applications accept files without proper validation, and represents a direct violation of secure coding practices that should enforce strict file type checking and content validation. The automatic processing of uploaded files within the product environment creates an ideal attack vector for code execution, as the system does not properly isolate or sanitize the uploaded content before processing.
The operational impact of this vulnerability extends beyond simple privilege escalation to encompass potential full system compromise and data breach scenarios. An attacker with privileged access could leverage this flaw to upload web shells, malicious scripts, or other executable content that would be automatically processed by the directory suite's internal systems. This capability enables persistent access to the compromised environment, allowing for data exfiltration, lateral movement within the network, and potential use as a foothold for broader attacks. The vulnerability also creates risks for information disclosure, as malicious files could contain code designed to extract sensitive data or configuration information from the system. Organizations relying on IBM Security Directory Suite VA for identity management and access control face significant risk from this vulnerability, as it directly undermines the security posture of their directory services infrastructure.
Mitigation strategies for CVE-2022-33166 should prioritize immediate patching of affected IBM Security Directory Suite VA versions to the latest available releases that address the file upload validation issues. Organizations should implement network segmentation and access controls to limit the scope of potential exploitation, ensuring that only authorized administrative users have access to upload functionality. Additional defensive measures include implementing strict file type validation, content scanning, and automatic sandboxing of uploaded files before processing. Security monitoring should be enhanced to detect unusual upload patterns and file processing activities that may indicate exploitation attempts. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and execution through uploaded files, specifically covering tactics such as T1078 for valid accounts and T1059 for command and script injection. Organizations should also conduct comprehensive security assessments to identify any potential exploitation that may have occurred prior to patching, and implement continuous monitoring for anomalous behavior in directory services environments.