CVE-2001-0177 in ConferenceRoom
Summary
by MITRE
WebMaster ConferenceRoom 1.8.1 allows remote attackers to cause a denial of service via a buddy relationship between the IRC server and a server clone.
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Analysis
by VulDB Data Team • 10/08/2025
The vulnerability described in CVE-2001-0177 affects WebMaster ConferenceRoom version 1.8.1, a web-based instant messaging and conferencing system that operates over the Internet Relay Chat protocol. This particular flaw represents a denial of service condition that can be exploited by remote attackers through manipulation of IRC server relationships. The vulnerability specifically targets the buddy relationship mechanism within the IRC infrastructure, which is a fundamental component for establishing communication channels between users in chat environments. The system's failure to properly validate or handle certain server-to-server connections creates an exploitable condition that can disrupt normal service operations.
The technical flaw manifests when an attacker establishes a malicious buddy relationship between an IRC server and what appears to be a legitimate server clone. This relationship allows the attacker to manipulate the server's connection handling logic in a way that consumes excessive resources or triggers abnormal termination sequences. The vulnerability exploits the trust model inherent in IRC server communications where servers accept connections from other servers based on predefined relationship parameters. When a malicious server clone establishes an improper buddy relationship, it can cause the ConferenceRoom server to enter a loop or resource exhaustion state that prevents legitimate users from accessing the service. This type of vulnerability falls under the category of improper input validation and lacks proper security checks in server relationship management.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise the entire conference room infrastructure. Remote attackers can leverage this weakness to systematically deny access to legitimate users, effectively shutting down communication channels for all participants. The attack does not require authentication or specialized privileges, making it particularly dangerous as it can be executed by anyone with network access to the affected system. The denial of service condition can persist until manual intervention occurs, potentially causing extended downtime for organizations relying on this conferencing platform. Organizations may experience loss of productivity, communication failures, and potential reputational damage when such attacks occur. The vulnerability demonstrates the importance of proper server relationship validation and the dangers of trusting external server connections without adequate security controls.
Mitigation strategies for this vulnerability should focus on implementing robust server relationship validation mechanisms and establishing proper access controls for server connections. Network administrators should configure firewall rules to restrict server-to-server connections to trusted sources only, implementing strict authentication and authorization processes. The system should be updated to a patched version that properly validates all server relationships and implements resource limits to prevent exploitation. Additionally, monitoring should be implemented to detect unusual connection patterns or excessive resource consumption that may indicate exploitation attempts. Security measures should include regular vulnerability assessments and maintaining up-to-date security patches for all components in the IRC infrastructure. Organizations should also consider implementing intrusion detection systems that can identify and alert on suspicious server relationship establishment attempts. The vulnerability highlights the need for proper input validation and access control mechanisms as outlined in common weakness enumeration cwe-284 for improper access control and cwe-129 for improper validation of array indices. This type of attack aligns with tactics described in the attack pattern taxonomy where adversaries exploit trust relationships to gain unauthorized access or disrupt services, specifically addressing the concept of privilege escalation through improper server trust relationships.