CVE-2008-0935 in iPrint Client
Summary
by MITRE
Stack-based buffer overflow in the Novell iPrint Control ActiveX control in ienipp.ocx in Novell iPrint Client before 4.34 allows remote attackers to execute arbitrary code via a long argument to the ExecuteRequest method.
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Analysis
by VulDB Data Team • 06/01/2025
The vulnerability identified as CVE-2008-0935 represents a critical stack-based buffer overflow flaw within the Novell iPrint Client software ecosystem. This issue specifically affects the iPrint Control ActiveX component known as ienipp.ocx which is part of Novell's iPrint Client suite designed for network printing solutions. The vulnerability exists in versions prior to 4.34 and exposes systems to remote code execution attacks through malicious manipulation of the ExecuteRequest method. The flaw stems from inadequate input validation within the ActiveX control's method implementation, creating a pathway for attackers to overwrite adjacent memory locations on the stack through carefully crafted arguments.
The technical implementation of this vulnerability involves the manipulation of the ExecuteRequest method within the ienipp.ocx ActiveX control. When a remote attacker provides an excessively long argument to this method, the control fails to properly validate the input length before copying it to a fixed-size buffer on the stack. This classic buffer overflow scenario allows attackers to overwrite return addresses, function pointers, and other critical stack data structures. The overflow can be leveraged to redirect program execution flow to malicious code injected by the attacker, potentially leading to complete system compromise. This type of vulnerability aligns with CWE-121 Stack-based Buffer Overflow, which specifically addresses buffer overflows occurring in stack memory regions where insufficient bounds checking permits data to overwrite adjacent memory locations.
The operational impact of CVE-2008-0935 extends beyond simple code execution capabilities to encompass full system compromise and potential lateral movement within network environments. Attackers exploiting this vulnerability can gain arbitrary code execution privileges on vulnerable systems, potentially allowing them to install backdoors, modify system configurations, or extract sensitive data from network printing infrastructure. The ActiveX control's integration within web browsers and corporate environments means that exploitation can occur through web-based attacks, making the attack surface particularly broad. Systems running vulnerable versions of Novell iPrint Client are at risk when users browse to malicious websites or open compromised email attachments that trigger the vulnerable ActiveX control. This vulnerability particularly affects enterprise networks where iPrint Client is widely deployed for managing print services across distributed computing environments.
Mitigation strategies for CVE-2008-0935 should focus on immediate remediation through patch management and application of Novell's official security updates. Organizations must ensure all instances of iPrint Client versions prior to 4.34 are upgraded to patched releases that address the buffer overflow condition. Security administrators should also implement browser security configurations that restrict ActiveX control loading or disable ActiveX altogether in environments where it is not strictly required. Network segmentation and firewall rules can help limit the potential impact of exploitation attempts by restricting access to vulnerable systems. Additionally, implementing application whitelisting policies that only allow trusted ActiveX controls to execute can provide defense-in-depth protection against similar vulnerabilities. The ATT&CK framework categorizes this type of vulnerability under T1059 Command and Scripting Interpreter and T1133 External Remote Services, as exploitation typically involves command execution through compromised ActiveX components and remote access to network services. Organizations should also consider monitoring for suspicious ActiveX control loading patterns and anomalous network behavior that may indicate exploitation attempts. Regular security assessments and vulnerability scanning should include checks for outdated iPrint Client installations to prevent this vulnerability from remaining unaddressed in corporate environments.