CVE-2023-3722 in Aura Device Services
Summary
by MITRE • 07/19/2023
An OS command injection vulnerability was found in the Avaya Aura Device Services Web application which could allow remote code execution as the Web server user via a malicious uploaded file. This issue affects Avaya Aura Device Services version 8.1.4.0 and earlier.
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Analysis
by VulDB Data Team • 08/15/2023
The vulnerability identified as CVE-2023-3722 represents a critical operating system command injection flaw within the Avaya Aura Device Services Web application ecosystem. This security weakness stems from insufficient input validation and sanitization mechanisms within the file upload functionality of the web interface. The vulnerability specifically impacts versions 8.1.4.0 and earlier of the Avaya Aura Device Services software, creating a significant attack surface for malicious actors seeking unauthorized access to network infrastructure. The flaw allows remote attackers to execute arbitrary commands on the underlying operating system with the privileges of the web server user account, potentially leading to complete system compromise and lateral movement within the network environment.
The technical exploitation of this vulnerability occurs through a malicious file upload attack vector where an attacker can bypass normal file validation checks and inject operating system commands within the uploaded file content. When the web application processes this malicious file, it fails to properly sanitize or escape the input data before executing system commands, creating a direct pathway for command injection. This type of vulnerability maps directly to CWE-77 which categorizes command injection flaws as weaknesses that allow attackers to execute arbitrary commands on the host system. The attack typically involves crafting a specially formatted file that contains both legitimate file content and malicious command sequences that are subsequently executed by the web application's processing routines.
The operational impact of CVE-2023-3722 extends far beyond simple unauthorized access, as the vulnerability provides attackers with the ability to execute commands with the privileges of the web server user. This privilege level often grants access to sensitive system resources, database connections, and potentially allows for privilege escalation to system administrator accounts. The implications are particularly severe for Avaya Aura Device Services environments, which typically manage critical telephony infrastructure and device provisioning services. Attackers could potentially disrupt communications services, extract sensitive configuration data, modify device settings, or establish persistent backdoors within the network. The vulnerability's remote exploitability means that attackers do not require physical access or network proximity to the affected systems, making it particularly dangerous for organizations with distributed network infrastructures.
Organizations affected by this vulnerability should immediately implement comprehensive mitigation strategies to protect their Avaya Aura Device Services deployments. The primary recommended action involves applying the vendor-provided security patches and updates that address the input validation deficiencies in the file upload functionality. Network segmentation and access control measures should be strengthened to limit exposure of the vulnerable web application to untrusted networks. Implementing web application firewalls and input validation controls can provide additional layers of protection against malicious file uploads. Security monitoring should be enhanced to detect suspicious file upload activities and command execution patterns within the system logs. From an ATT&CK framework perspective, this vulnerability aligns with techniques such as T1059.001 for command and script injection, and T1566 for phishing with malicious attachments, making it a critical target for both defensive and detection-focused security operations. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other network services and applications that may present similar attack vectors.