CVE-2008-2431 in iPrint
Summary
by MITRE
Multiple buffer overflows in Novell iPrint Client before 5.06 allow remote attackers to execute arbitrary code by calling the Novell iPrint ActiveX control (aka ienipp.ocx) with (1) a long third argument to the GetDriverFile method; a long first argument to the (2) GetPrinterURLList or (3) GetPrinterURLList2 method; (4) a long argument to the GetFileList method; a long argument to the (5) GetServerVersion, (6) GetResourceList, or (7) DeleteResource method, related to nipplib.dll; a long uploadPath argument to the (8) UploadPrinterDriver or (9) UploadResource method, related to URIs; (10) a long seventh argument to the UploadResource method; a long string in the (11) second, (12) third, or (13) fourth argument to the GetDriverSettings method, related to the IppGetDriverSettings function in nipplib.dll; or (14) a long eighth argument to the UploadResourceToRMS method.
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Analysis
by VulDB Data Team • 05/29/2025
The vulnerability described in CVE-2008-2431 represents a critical buffer overflow issue affecting Novell iPrint Client versions prior to 5.06, specifically within the ienipp.ocx ActiveX control and associated nipplib.dll library. This vulnerability stems from improper input validation and memory management practices in the client-side components that handle printer communication and driver management functions. The flaw manifests across multiple methods within the iPrint ActiveX interface, creating a wide attack surface that could be exploited by remote adversaries to gain arbitrary code execution privileges on targeted systems.
The technical implementation of this vulnerability involves several distinct buffer overflow conditions that occur when the ActiveX control processes various method calls with excessively long string arguments. These buffer overflows specifically affect methods such as GetDriverFile, GetPrinterURLList, GetPrinterURLList2, GetFileList, GetServerVersion, GetResourceList, DeleteResource, UploadPrinterDriver, UploadResource, and UploadResourceToRMS, all of which operate within the nipplib.dll library. Each vulnerable method accepts specific argument positions that, when populated with strings exceeding allocated buffer sizes, cause memory corruption that can be leveraged for exploitation purposes. The vulnerability is classified under CWE-121 as heap-based buffer overflow conditions, where insufficient bounds checking allows attackers to overwrite adjacent memory locations.
From an operational perspective, this vulnerability presents significant risk to enterprise environments that rely on Novell iPrint Client for printer management and driver installation. Attackers can exploit these buffer overflows through remote code execution by crafting malicious web pages or network requests that invoke the vulnerable ActiveX methods with oversized parameters. The attack typically requires user interaction through web browsing or email attachments containing malicious iPrint client calls, making it particularly dangerous in phishing scenarios. Successful exploitation could result in complete system compromise, allowing attackers to install malware, escalate privileges, or establish persistent access to the affected systems.
The impact of this vulnerability extends beyond immediate exploitation capabilities to encompass broader security implications for network infrastructure and enterprise security posture. Organizations using affected iPrint Client versions face potential data breaches, system infiltration, and unauthorized access to sensitive printer resources and network configurations. The vulnerability's presence in multiple methods within the same ActiveX control amplifies the risk, as attackers need only find one exploitable method to achieve their objectives. Security practitioners should consider this vulnerability in the context of the MITRE ATT&CK framework, specifically under the T1059.007 technique for executing malicious code through ActiveX controls and T1203 for exploiting software vulnerabilities in enterprise environments.
Mitigation strategies for CVE-2008-2431 should include immediate deployment of Novell's official patches and updates to iPrint Client versions 5.06 and later, which address the buffer overflow conditions through proper input validation and memory management. Organizations should also implement ActiveX control restrictions through group policy settings or browser security configurations to prevent automatic execution of potentially malicious ActiveX components. Network segmentation and firewall rules can help limit exposure by restricting access to iPrint client services, while regular security assessments should verify that all systems have been properly updated. Additionally, user education regarding suspicious web content and email attachments remains crucial in preventing successful exploitation attempts through social engineering vectors.