CVE-2024-50331 in Avalanche
Summary
by MITRE • 11/12/2024
An out-of-bounds read vulnerability in Ivanti Avalanche before 6.4.6 allows a remote unauthenticated attacker to leak sensitive information in memory.
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Analysis
by VulDB Data Team • 12/19/2024
The vulnerability identified as CVE-2024-50331 represents a critical out-of-bounds read flaw within Ivanti Avalanche software versions prior to 6.4.6. This issue manifests as a memory safety defect that enables remote attackers to access data beyond the intended boundaries of allocated memory regions. The vulnerability exists in the application's handling of input data processing and memory management functions, creating a pathway for unauthorized information disclosure. Such flaws typically arise from inadequate bounds checking mechanisms that fail to validate the size or limits of data being processed or accessed within memory structures. The vulnerability affects the core functionality of Ivanti Avalanche, which is designed for mobile device management and enterprise software deployment. Attackers can exploit this weakness by sending specially crafted requests to the affected system without requiring authentication credentials, making the attack surface particularly broad and accessible.
The technical implementation of this out-of-bounds read vulnerability stems from insufficient validation of input parameters within the memory access routines. When the system processes incoming data streams or API requests, it fails to properly verify that memory access operations remain within allocated buffer boundaries. This allows an attacker to manipulate input data to cause the application to read memory locations beyond the intended data structures, potentially exposing sensitive information including user credentials, system configurations, database connection details, or other confidential data stored in adjacent memory regions. The vulnerability specifically impacts the application's ability to handle malformed or unexpected input sequences that trigger memory access violations. This type of flaw is classified as a CWE-125: Out-of-bounds Read according to the Common Weakness Enumeration catalog, which documents weaknesses in software that can lead to information disclosure and system compromise. The memory leakage occurs through the application's failure to implement proper input sanitization and buffer overflow protection mechanisms.
The operational impact of CVE-2024-50331 extends beyond simple information disclosure to potentially enable further exploitation attempts by malicious actors. Remote unauthenticated access capabilities mean that attackers can leverage this vulnerability from any network location without requiring prior system access or valid credentials, significantly increasing the attack surface. The leaked memory contents could contain sensitive data such as administrative passwords, encryption keys, session tokens, or proprietary business information that could be used to escalate privileges or conduct additional attacks. Organizations relying on Ivanti Avalanche for device management and enterprise software deployment face heightened risk of data breaches, regulatory compliance violations, and operational disruption. The vulnerability's remote exploitability aligns with ATT&CK technique T1059.001: Command and Scripting Interpreter, as attackers may use the leaked information to develop more sophisticated attack vectors. System administrators may experience unauthorized access to management interfaces, potentially leading to complete system compromise and unauthorized device provisioning.
Mitigation strategies for CVE-2024-50331 center on immediate software updates and enhanced security monitoring. Organizations must upgrade to Ivanti Avalanche version 6.4.6 or later, which contains the necessary patches to address the out-of-bounds read vulnerability. Additionally, network administrators should implement firewall rules to restrict access to affected systems and monitor for suspicious traffic patterns that may indicate exploitation attempts. The implementation of input validation controls and enhanced memory protection mechanisms should be prioritized to prevent similar vulnerabilities in other applications. Security teams should conduct thorough vulnerability assessments of their Ivanti Avalanche deployments and review system logs for signs of unauthorized access attempts. Regular security audits and penetration testing can help identify additional weaknesses that may be exploited in conjunction with this vulnerability. Organizations should also consider implementing intrusion detection systems and security information event management solutions to detect and respond to exploitation attempts. The vulnerability demonstrates the importance of maintaining current security patches and implementing defense-in-depth strategies that include multiple layers of protection beyond simple perimeter security measures.