CVE-2004-0754 in Gaim
Summary
by MITRE
Integer overflow in Gaim before 0.82 allows remote attackers to cause a denial of service and possibly execute arbitrary code via the size variable in Groupware server messages.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 06/07/2019
The vulnerability identified as CVE-2004-0754 represents a critical integer overflow flaw affecting Gaim versions prior to 0.82, which is a popular instant messaging client that supported multiple protocols including AIM, ICQ, and Jabber. This vulnerability resides within the Groupware server message processing functionality, specifically targeting the size variable handling mechanism. The flaw manifests when the application processes malformed Groupware server messages that contain oversized size parameters, creating conditions where integer arithmetic operations exceed the maximum representable value for the data type used. This particular vulnerability falls under the CWE-190 category of Integer Overflow or Wraparound, which is classified as a common weakness in software security implementations. The vulnerability demonstrates characteristics aligned with the ATT&CK technique T1203, where adversaries exploit software flaws to gain unauthorized access or disrupt system operations through denial of service attacks.
The technical exploitation of this vulnerability occurs when Gaim receives a specially crafted Groupware server message containing an oversized size variable that triggers integer overflow conditions during memory allocation or buffer processing operations. When the size variable overflows, it can result in unexpectedly small or negative values being used for memory allocation requests, causing memory corruption that may lead to application crashes or potentially allow remote code execution. The integer overflow specifically impacts the handling of size parameters in the Groupware protocol implementation, where the application fails to properly validate or sanitize the size values before performing arithmetic operations or memory allocations. This type of vulnerability is particularly dangerous because it can be triggered remotely without requiring authentication or user interaction, making it an attractive target for attackers seeking to compromise systems running vulnerable versions of Gaim. The vulnerability's impact extends beyond simple denial of service, as the overflow conditions can potentially be leveraged to execute arbitrary code through memory corruption techniques.
The operational impact of CVE-2004-0754 is significant for organizations relying on Gaim for instant messaging communications, as the vulnerability creates multiple attack vectors for potential exploitation. System administrators and security teams face the challenge of identifying and patching vulnerable installations across their network infrastructure, particularly in environments where instant messaging clients are widely deployed. The vulnerability's remote exploitability means that attackers can potentially compromise systems from outside the network perimeter without requiring local access or user interaction. Organizations using vulnerable versions of Gaim may experience service disruption through denial of service conditions, while the potential for remote code execution creates additional security risks including unauthorized access, data compromise, or system control. The vulnerability's exploitation requires minimal prerequisites and can be automated, making it particularly dangerous in enterprise environments where multiple users may be simultaneously affected. Network monitoring systems should be configured to detect unusual Groupware protocol traffic patterns that might indicate exploitation attempts, and security controls should be implemented to prevent unauthorized access to messaging services.
Mitigation strategies for CVE-2004-0754 primarily focus on immediate patch deployment and network-level protections. Organizations should prioritize upgrading to Gaim version 0.82 or later, which contains the necessary fixes for the integer overflow vulnerability. Additionally, network administrators should implement firewall rules and access controls to limit Groupware protocol traffic to trusted sources only, reducing the attack surface for potential exploitation. The implementation of intrusion detection systems with signature-based detection capabilities can help identify exploitation attempts targeting this vulnerability. Security monitoring should include regular vulnerability assessments to identify any remaining installations of vulnerable software versions within the organization's infrastructure. System hardening measures should be applied to limit the impact of potential exploitation, including implementing memory protection mechanisms and restricting user privileges for messaging applications. The vulnerability also highlights the importance of proper input validation and sanitization in software development practices, as the issue stems from inadequate boundary checking in size variable handling. Regular security updates and patch management processes should be established to prevent similar vulnerabilities from occurring in other software components within the organization's IT environment.