CVE-2007-0067 in Lotus Domino Web Server
Summary
by MITRE
Unspecified vulnerability in the Lotus Domino Web Server 6.0, 6.5.x before 6.5.6, and 7.0.x before 7.0.3 allows remote attackers to cause a denial of service (daemon crash) via requests for URLs that reference certain files.
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Analysis
by VulDB Data Team • 06/14/2025
The vulnerability described in CVE-2007-0067 represents a critical denial of service weakness affecting IBM Lotus Domino Web Server versions 6.0, 6.5.x prior to 6.5.6, and 7.0.x prior to 7.0.3. This issue manifests when remote attackers submit specifically crafted requests targeting URLs that reference certain files within the web server's file system structure. The flaw operates at the application layer of the network stack and demonstrates characteristics consistent with a buffer overflow or improper input validation scenario that can cause the web server daemon to crash unexpectedly. The vulnerability's unspecified nature suggests that the underlying technical mechanism may involve multiple potential attack vectors, but all lead to the same destabilizing outcome of service interruption.
The technical implementation of this vulnerability stems from inadequate validation of URL requests and file references within the Lotus Domino Web Server's processing pipeline. When the server receives a request for a malformed or specially constructed URL that points to particular files, the web server daemon fails to properly handle the input validation process, resulting in an abrupt termination of the service. This behavior aligns with CWE-121, which describes buffer overflow conditions, or more specifically CWE-129, which addresses improper validation of array indices. The attack vector operates over standard HTTP protocols and requires no authentication or specialized privileges, making it particularly dangerous as it can be exploited by any remote attacker with access to the web server's network interface.
The operational impact of CVE-2007-0067 extends beyond simple service disruption to encompass broader business continuity concerns for organizations relying on Lotus Domino Web Server infrastructure. When the web server daemon crashes, legitimate users lose access to web applications and services hosted on the platform, potentially affecting email services, web portals, and collaborative applications that depend on the Domino server. The vulnerability creates an environment where attackers can repeatedly exploit the flaw to maintain persistent denial of service conditions, effectively rendering the web server unavailable for legitimate business operations. This type of vulnerability also exposes organizations to potential reputational damage and regulatory compliance issues, particularly in environments where continuous service availability is mandated by industry standards such as those outlined in ISO 27001 or NIST cybersecurity frameworks.
Mitigation strategies for CVE-2007-0067 primarily focus on applying vendor-supplied patches and updates to affected Lotus Domino Web Server versions. Organizations should immediately upgrade to patched versions of the software, specifically targeting Lotus Domino 6.5.6 or 7.0.3 and later releases. Additionally, network-level protections such as intrusion detection systems and web application firewalls can provide additional layers of defense by monitoring and filtering suspicious URL patterns that may trigger the vulnerability. Implementing proper input validation at the application level and conducting regular security assessments of web server configurations aligns with ATT&CK technique T1499, which covers network denial of service attacks. System administrators should also consider implementing monitoring solutions that can detect daemon crashes and automatically trigger incident response procedures to minimize service disruption periods. The vulnerability demonstrates the importance of maintaining current security patches and implementing defense-in-depth strategies to protect against known weaknesses in enterprise web server infrastructure.