CVE-2005-3779 in hp-ux
Summary
by MITRE
unspecified vulnerability in xterm for hp-ux 11.00 11.11 and 11.23 allows local users to gain privileges via unknown vectors.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 06/29/2025
The vulnerability identified as CVE-2005-3779 represents a privilege escalation flaw within the xterm terminal emulator implementation on Hewlett-Packard Unix operating systems versions 11.00, 11.11, and 11.23. This issue falls under the category of local privilege escalation vulnerabilities where unauthorized local users can potentially elevate their system privileges to gain administrative access. The unspecified nature of the vulnerability vectors suggests that the exact technical mechanism remains unclear, though the implications for system security are significant given that xterm is a fundamental component of the graphical user interface environment on these systems. The vulnerability demonstrates a critical weakness in the privilege management controls within the xterm application, which serves as a standard terminal emulator for hp-ux systems.
The technical flaw likely resides in improper privilege handling mechanisms within the xterm binary or its associated libraries, potentially involving insecure code execution paths or flawed permission checks during terminal initialization. Such vulnerabilities often stem from inadequate input validation, improper privilege dropping mechanisms, or race conditions in privilege management code paths. The fact that this affects multiple versions of hp-ux 11.x indicates a widespread issue within the xterm implementation across this operating system family. From a cybersecurity perspective, this vulnerability aligns with CWE-269, which addresses privileges and access control issues, and may also relate to CWE-787, concerning out-of-bounds write operations that could be exploited to manipulate privilege structures.
The operational impact of this vulnerability is substantial for organizations running affected hp-ux systems, as local users with minimal privileges could potentially escalate to root access, thereby compromising the entire system. This creates a significant risk for environments where multiple users share systems or where users may have legitimate access but could be compromised through social engineering or other means. The vulnerability could enable attackers to execute arbitrary code with elevated privileges, access sensitive system files, modify system configurations, or establish persistent backdoors. In enterprise environments, this could lead to complete system compromise and data breaches, particularly in scenarios where the xterm application is frequently used or where users have legitimate need for terminal access. The attack surface is particularly concerning given that xterm is a standard component in hp-ux environments and is likely to be present in most system installations.
Mitigation strategies for this vulnerability should include immediate patching of affected systems through official hp-ux security updates, as well as implementation of additional access controls to limit user privileges and reduce the potential impact of privilege escalation. System administrators should conduct comprehensive audits of xterm installations and related components to identify all affected versions. The vulnerability also highlights the importance of maintaining current security patches and implementing proper system hardening measures. Organizations should consider implementing monitoring solutions to detect unusual privilege escalation attempts and establish regular vulnerability assessment procedures. From an ATT&CK framework perspective, this vulnerability would map to privilege escalation techniques and could be exploited through initial access vectors that lead to local execution, potentially enabling further lateral movement within compromised systems. The vulnerability underscores the critical importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect against local privilege escalation attacks that could compromise entire system environments.