CVE-2004-0007 in Ultramagnetic
Summary
by MITRE
Buffer overflow in the Extract Info Field Function for (1) MSN and (2) YMSG protocol handlers in Gaim 0.74 and earlier, and Ultramagnetic before 0.81, allows remote attackers to cause a denial of service and possibly execute arbitrary code.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 12/15/2024
The vulnerability described in CVE-2004-0007 represents a critical buffer overflow flaw affecting instant messaging clients that implement the MSN and YMSG protocol handlers. This issue impacts Gaim versions 0.74 and earlier, as well as Ultramagnetic versions before 0.81, making it a significant concern for users of these messaging platforms during the early 2000s era. The vulnerability resides within the Extract Info Field Function, a core component responsible for processing protocol-specific information fields during communication sessions. This function fails to properly validate input lengths when parsing data from network connections, creating an exploitable condition that can be triggered by malformed data packets sent from remote adversaries. The buffer overflow occurs when the application attempts to write data beyond the allocated memory boundaries of the info field buffer, potentially corrupting adjacent memory regions and leading to unpredictable behavior.
The technical execution of this vulnerability demonstrates a classic stack-based buffer overflow scenario where insufficient bounds checking allows attackers to overwrite critical memory locations including return addresses and function pointers. When processing MSN or YMSG protocol messages containing oversized or malformed info field data, the vulnerable code does not validate the length of incoming data before copying it into fixed-size buffers. This flaw aligns with CWE-121, which specifically addresses stack-based buffer overflow conditions, and represents a direct violation of secure coding practices for memory management. The attack vector involves sending specially crafted messages to a victim's instant messaging client, where the protocol handler processes these malicious inputs without adequate input sanitization. The vulnerability's exploitation can result in immediate application crashes, leading to denial of service conditions that disrupt legitimate communication sessions. However, the more severe implications arise when attackers can manipulate the overflow to overwrite execution control structures, potentially allowing for arbitrary code execution within the context of the running process.
From an operational perspective, this vulnerability presents a substantial risk to users of instant messaging systems during the mid-2000s period when these applications were widely deployed in both personal and enterprise environments. The impact extends beyond simple service disruption to potential system compromise, as successful exploitation could enable attackers to gain unauthorized access to user machines. The vulnerability's prevalence in widely-used messaging clients means that adversaries could potentially target large user bases simultaneously, making it an attractive vector for mass exploitation campaigns. The specific protocol handlers affected are particularly concerning because they operate in the context of real-time communication, where users typically maintain persistent connections and may be less vigilant about security warnings. This vulnerability also demonstrates the importance of input validation in network protocol implementations, as the flaw exists at the protocol parsing layer rather than in application-level security controls. The attack surface is further expanded by the fact that these protocol handlers are often used in multi-user environments where a single compromised client could potentially serve as a gateway for broader network infiltration.
The mitigation strategies for this vulnerability primarily focus on immediate software updates and patches provided by the affected vendors, as well as defensive measures that can be implemented at the network level. Users should immediately upgrade to patched versions of Gaim or Ultramagnetic, with version 0.81 and later releases containing the necessary fixes for this buffer overflow condition. The remediation approach involves implementing proper bounds checking within the Extract Info Field Function, ensuring that all input data is validated against predetermined maximum lengths before memory allocation occurs. Network administrators should consider implementing protocol filtering and monitoring to detect anomalous data patterns that may indicate exploitation attempts, as outlined in the MITRE ATT&CK framework's approach to network protocol analysis. Additionally, security-conscious organizations should implement application whitelisting policies that restrict execution of unpatched instant messaging clients, particularly in enterprise environments where centralized security controls are feasible. The vulnerability also highlights the importance of adopting defensive programming practices such as using safe string handling functions and implementing memory protection mechanisms like stack canaries to detect potential buffer overflow conditions. Organizations should also consider implementing intrusion detection systems that can identify and alert on suspicious protocol message patterns that may indicate exploitation attempts targeting similar vulnerabilities in other network services.