CVE-2010-4328 in Iprint Open Enterprise Server
Summary
by MITRE
Multiple stack-based buffer overflows in opt/novell/iprint/bin/ipsmd in Novell iPrint for Linux Open Enterprise Server 2 SP2 and SP3 allow remote attackers to execute arbitrary code via unspecified LPR opcodes.
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Analysis
by VulDB Data Team • 11/06/2024
The vulnerability identified as CVE-2010-4328 represents a critical stack-based buffer overflow flaw within the Novell iPrint print server implementation for Linux Open Enterprise Server. This vulnerability specifically affects versions SP2 and SP3 of the operating system and resides in the ipsmd binary located within the opt/novell/iprint/bin/ directory structure. The flaw manifests when the print server processes LPR (Line Printer Remote) opcodes, which are standard protocols used for managing print jobs in networked environments. The buffer overflow occurs due to inadequate input validation and bounds checking within the handling of these specific LPR commands, creating a potential attack vector that could be exploited by remote adversaries.
From a technical perspective, the vulnerability stems from improper memory management within the print server daemon's processing of network requests. When legitimate LPR opcodes are received through the network interface, the application fails to properly validate the length of incoming data before copying it into fixed-size stack buffers. This classic buffer overflow condition allows an attacker to overwrite adjacent memory locations including return addresses and control data, potentially enabling arbitrary code execution with the privileges of the running print server process. The stack-based nature of the vulnerability means that the overflow occurs in the program's stack memory space, which is particularly dangerous as it can directly corrupt the program's execution flow and potentially lead to complete system compromise.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with a pathway to gain unauthorized access to systems running vulnerable Novell iPrint implementations. Remote exploitation means that attackers do not need physical access to the system, making this vulnerability particularly dangerous in networked environments where print servers are exposed to external networks. The implications include potential data breaches, system compromise, and the ability to use the compromised print server as a launching point for further attacks within the network infrastructure. Organizations relying on Novell iPrint for print management services would face significant security risks, as the vulnerability could be exploited to gain persistent access to their print environments and potentially escalate privileges to system administrator levels.
Mitigation strategies for CVE-2010-4328 should prioritize immediate patch application from Novell, as this vulnerability was addressed through official security updates that corrected the buffer overflow conditions in the print server implementation. Network segmentation and firewall rules should be implemented to restrict access to the print server ports, particularly those associated with LPR protocol communication, limiting exposure to unauthorized network traffic. Additionally, implementing network monitoring solutions that can detect unusual LPR protocol activity or malformed requests may help identify potential exploitation attempts. The vulnerability aligns with CWE-121 Stack-based Buffer Overflow and represents a technique that could be categorized under ATT&CK tactic TA0002 Execution and TA0004 Privilege Escalation, as it enables attackers to execute arbitrary code and potentially escalate their access privileges within the affected systems. Organizations should also conduct thorough security assessments of their print server configurations and consider implementing additional security controls such as mandatory access controls and regular security audits to prevent similar vulnerabilities from being exploited in the future.