CVE-2009-3031 in Altiris Notification Server
Summary
by MITRE
Stack-based buffer overflow in the BrowseAndSaveFile method in the Altiris eXpress NS ConsoleUtilities ActiveX control 6.0.0.1846 in AeXNSConsoleUtilities.dll in Symantec Altiris Notification Server (NS) 6.0 before R12, Deployment Server 6.8 and 6.9 in Symantec Altiris Deployment Solution 6.9 SP3, and Symantec Management Platform (SMP) 7.0 before SP3 allows remote attackers to execute arbitrary code via a long string in the second argument.
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Analysis
by VulDB Data Team • 11/17/2025
The CVE-2009-3031 vulnerability represents a critical stack-based buffer overflow flaw within the Altiris eXpress NS ConsoleUtilities ActiveX control, specifically affecting the BrowseAndSaveFile method in AeXNSConsoleUtilities.dll. This vulnerability exists in Symantec Altiris Notification Server versions 6.0 before R12, Deployment Server versions 6.8 and 6.9, and Symantec Management Platform versions 7.0 before SP3. The flaw manifests when processing user-supplied input through the second argument of the BrowseAndSaveFile method, creating an exploitable condition that can be leveraged by remote attackers to execute arbitrary code on affected systems. The vulnerability stems from inadequate input validation and bounds checking within the ActiveX control implementation, which fails to properly sanitize or limit the length of strings passed to the vulnerable method.
This buffer overflow vulnerability operates through the exploitation of stack memory corruption techniques that fall under CWE-121 Stack-based Buffer Overflow, a well-documented weakness in software development practices that occurs when data written to a stack buffer exceeds the buffer's allocated size. The attack vector is particularly concerning as it enables remote code execution without requiring authentication, making it a significant threat to enterprise environments that deploy these legacy Symantec products. The vulnerability's impact extends across multiple Symantec products within the Altiris ecosystem, creating widespread exposure for organizations that have not yet patched their systems. The flaw demonstrates a classic example of unsafe string handling in COM/ActiveX components where the second parameter to the BrowseAndSaveFile method is processed without adequate bounds checking, allowing attackers to overwrite adjacent stack memory and potentially redirect program execution flow.
The operational impact of this vulnerability is severe and multifaceted, particularly in enterprise environments where Symantec Altiris products are commonly deployed for system management and deployment operations. Attackers can leverage this vulnerability to gain unauthorized code execution privileges on target systems, potentially leading to complete system compromise and lateral movement within the network. The vulnerability's remote exploitability means that attackers can target systems without requiring physical access or prior authentication, making it particularly dangerous for organizations with exposed web interfaces or management consoles. This flaw directly maps to several ATT&CK techniques including T1059 Command and Scripting Interpreter and T1068 Exploitation for Privilege Escalation, as successful exploitation would likely result in elevated privileges and persistent access to compromised systems. The vulnerability's presence in widely deployed management platforms creates a significant attack surface that could be exploited to establish backdoors, exfiltrate sensitive data, or disrupt critical business operations.
Organizations affected by this vulnerability should prioritize immediate remediation through the application of official patches provided by Symantec, specifically targeting the affected versions of Altiris Notification Server, Deployment Server, and Management Platform. The recommended mitigation strategy involves implementing network segmentation to limit exposure of vulnerable ActiveX controls, disabling unnecessary ActiveX functionality where possible, and deploying intrusion detection systems to monitor for exploitation attempts. Security teams should also conduct comprehensive vulnerability assessments to identify all instances of the vulnerable ActiveX control across their environment and ensure that proper access controls are implemented to restrict who can interact with these components. Additionally, organizations should consider implementing application whitelisting policies to prevent execution of untrusted ActiveX controls and establish monitoring procedures to detect potential exploitation attempts through abnormal network traffic patterns or system behavior. The vulnerability underscores the importance of maintaining up-to-date security patches and proper input validation practices in enterprise software deployments, particularly in legacy systems that may not receive regular security updates.