CVE-2004-1574 in Vypress
Summary
by MITRE
Buffer overflow in Vypress Messenger 3.5.1 and earlier allows remote attackers to execute arbitrary code via a message with a long first field.
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Analysis
by VulDB Data Team • 07/16/2017
The vulnerability described in CVE-2004-1574 represents a critical buffer overflow flaw within Vypress Messenger version 3.5.1 and earlier implementations. This security weakness resides in the application's handling of incoming messages, specifically when processing the first field of a message payload. The buffer overflow occurs when an attacker crafts a malicious message containing an excessively long first field that exceeds the allocated buffer space, causing the application to overwrite adjacent memory locations. This fundamental programming error creates a pathway for remote code execution, allowing attackers to potentially gain full control over the affected system. The vulnerability demonstrates poor input validation practices and inadequate bounds checking within the messaging protocol implementation, which are core principles of secure software development that directly align with CWE-121 buffer overflow conditions.
The technical exploitation of this vulnerability follows a classic remote buffer overflow attack pattern where an attacker sends a specially crafted message to a target system running the vulnerable Vypress Messenger client or server. When the application processes this malformed message, the excessive data overflows into adjacent memory regions, potentially overwriting critical program execution data such as return addresses, function pointers, or other control structures. This memory corruption can be leveraged to redirect program execution flow to malicious code injected by the attacker, effectively allowing remote code execution with the privileges of the affected application process. The attack requires no authentication and can be executed from any remote location, making it particularly dangerous for networked systems. This type of vulnerability falls under the ATT&CK framework's technique T1059.007 for remote code execution through network services and demonstrates how buffer overflows can be exploited to achieve system compromise.
The operational impact of CVE-2004-1574 extends beyond simple remote code execution to encompass complete system compromise and potential lateral movement within network environments. Organizations using vulnerable Vypress Messenger installations face significant risks including data exfiltration, system takeover, and potential use as a foothold for broader network infiltration. The vulnerability affects both client and server components of the messaging system, meaning that either endpoint could serve as an attack vector. Network administrators must consider the implications of this vulnerability in environments where Vypress Messenger is deployed for internal communications, as it could enable attackers to establish persistent access points within corporate networks. The long-term consequences include potential regulatory compliance issues, data breach notifications, and reputation damage for organizations that fail to address this known vulnerability in a timely manner.
Mitigation strategies for CVE-2004-1574 must address both immediate remediation and long-term security posture improvements. The primary recommendation involves upgrading to a patched version of Vypress Messenger that implements proper input validation and buffer management techniques. Organizations should also implement network segmentation and access controls to limit exposure of vulnerable systems to untrusted networks. Network monitoring solutions should be configured to detect unusual message patterns that might indicate exploitation attempts, particularly focusing on malformed message traffic. Additionally, system hardening measures including stack protection mechanisms, address space layout randomization, and non-executable stack protections can provide defense-in-depth against exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify all instances of the vulnerable software within their environments and establish incident response procedures for potential exploitation attempts. These measures align with security best practices outlined in industry standards such as NIST SP 800-125 and ISO 27001, emphasizing the importance of both preventive controls and responsive capabilities to address buffer overflow vulnerabilities in legacy systems.