CVE-2007-3210 in Tokens Object
Summary
by MITRE
Stack-based buffer overflow in nptoken.mox in the Cellosoft Tokens Object 2.0.0.6 extension for Vitalize! allows remote attackers to execute arbitrary code via a long string argument to the RemoveChr method. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 09/13/2018
The vulnerability identified as CVE-2007-3210 represents a critical stack-based buffer overflow flaw within the nptokenmox component of Cellosoft Tokens Object version 2.0.0.6, which is designed as an extension for the Vitalize! platform. This issue arises from inadequate input validation mechanisms within the RemoveChr method, creating an exploitable condition that can be leveraged by remote attackers to execute arbitrary code on affected systems. The vulnerability resides in the extension's handling of string arguments, where a sufficiently long input can overwrite adjacent memory locations on the stack, potentially allowing attackers to overwrite return addresses and execute malicious code.
From a technical perspective, this vulnerability maps directly to CWE-121 Stack-based Buffer Overflow, which occurs when a program writes data beyond the boundaries of a fixed-length stack buffer. The flaw manifests specifically within the RemoveChr method of the nptokenmox extension, where string parameters are processed without proper bounds checking. Attackers can craft malicious input strings that exceed the allocated buffer space, causing a stack overflow condition that can be manipulated to redirect program execution flow. The vulnerability's remote exploitability means that attackers do not require local system access to leverage the flaw, making it particularly dangerous in networked environments where the extension might be exposed to untrusted input sources.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with potential persistence mechanisms and privilege escalation capabilities within the targeted environment. When exploited successfully, the buffer overflow can allow attackers to gain unauthorized control over systems running vulnerable versions of Vitalize! with the Cellosoft Tokens Object extension installed. The vulnerability's characteristics align with ATT&CK technique T1059.007 Command and Scripting Interpreter: JavaScript, as the exploitation likely involves JavaScript-based attacks targeting the extension's method handlers. Organizations using this extension face significant risk of compromise, particularly if the platform is accessible over networks or if the extension processes user-supplied input from web interfaces.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected Cellosoft Tokens Object extension to version 2.0.0.7 or later, which contains the necessary security fixes. System administrators should implement network segmentation to limit access to systems running vulnerable extensions and deploy intrusion detection systems that can identify suspicious patterns of traffic targeting the affected component. Input validation measures should be enforced at multiple layers, including application-level sanitization of string inputs and implementation of proper bounds checking mechanisms. Additionally, organizations should conduct comprehensive vulnerability assessments to identify all instances of the affected extension across their infrastructure and ensure that proper access controls are implemented to prevent unauthorized modification of the extension's components. The vulnerability also highlights the importance of maintaining up-to-date security patches and implementing robust software supply chain security practices to prevent exploitation of known vulnerabilities in third-party components.