CVE-2009-1350 in Netidentity Client1.2.3
Summary
by MITRE
Unspecified vulnerability in xtagent.exe in Novell NetIdentity Client before 1.2.4 allows remote attackers to execute arbitrary code by establishing an IPC$ connection to the XTIERRPCPIPE named pipe, and sending RPC messages that trigger a dereference of an arbitrary pointer.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 11/16/2025
The vulnerability identified as CVE-2009-1350 represents a critical remote code execution flaw within the Novell NetIdentity Client software, specifically affecting versions prior to 1.2.4. This vulnerability resides in the xtagent.exe component which handles inter-process communication through named pipes, creating a significant attack surface that adversaries can exploit to gain unauthorized system access. The flaw manifests when the application establishes an IPC$ connection to the XTIERRPCPIPE named pipe, allowing remote attackers to send specially crafted RPC messages that ultimately lead to arbitrary code execution. This represents a classic buffer overflow or pointer dereference vulnerability that has been classified under CWE-125, which describes out-of-bounds read conditions that can result in memory corruption and arbitrary code execution.
The technical implementation of this vulnerability involves the manipulation of inter-process communication mechanisms within the Windows operating system, specifically targeting the named pipe communication channel used by the NetIdentity Client. When the xtagent.exe process receives RPC messages through the XTIERRPCPIPE named pipe, it fails to properly validate or sanitize the incoming data structures, leading to a situation where an attacker can control the memory access patterns of the running process. The vulnerability exploits the lack of proper input validation and memory management controls, allowing an attacker to manipulate pointer values and cause the application to execute code at arbitrary memory locations. This type of vulnerability falls under the ATT&CK technique T1203 - Exploitation for Client Execution, where adversaries leverage application vulnerabilities to execute malicious code on target systems. The attack vector specifically targets the Windows named pipe mechanism, which is commonly used for local inter-process communication and remote administration tasks.
The operational impact of this vulnerability extends beyond simple remote code execution, as it provides attackers with a pathway to establish persistent access to systems running vulnerable versions of the Novell NetIdentity Client. The vulnerability can be exploited remotely without requiring authentication, making it particularly dangerous in enterprise environments where multiple systems may be running the affected software. Once exploited, attackers can potentially escalate privileges, install additional malware, or use the compromised system as a launch point for further attacks within the network. The vulnerability's impact is compounded by the fact that the affected software is commonly deployed in enterprise environments, where it may be used for identity management and authentication services, making successful exploitation potentially devastating for organizational security. The flaw demonstrates a fundamental weakness in the application's memory management and input validation processes, which are essential components of secure software development practices.
Mitigation strategies for CVE-2009-1350 primarily focus on immediate software updates and system hardening measures. The most effective solution involves upgrading to Novell NetIdentity Client version 1.2.4 or later, which includes patches addressing the pointer dereference vulnerability in the xtagent.exe component. Organizations should also implement network segmentation and access controls to limit exposure of systems running the vulnerable software, particularly by restricting access to the IPC$ named pipe and RPC communication ports. System administrators should monitor for unusual RPC activity or unauthorized connections to the XTIERRPCPIPE named pipe, as these could indicate exploitation attempts. Additional defensive measures include implementing network-based intrusion detection systems that can identify suspicious RPC traffic patterns and applying the principle of least privilege to limit the permissions of the xtagent.exe process. The vulnerability highlights the importance of proper input validation and memory management in security-critical applications, and serves as a reminder of the necessity for regular security updates and vulnerability assessments in enterprise environments. Organizations should also consider implementing application whitelisting policies to prevent unauthorized execution of potentially vulnerable applications, as recommended in the MITRE ATT&CK framework's defense-in-depth strategies for preventing exploitation of known vulnerabilities.