CVE-2003-0178 in Lotus Domino Web Server
Summary
by MITRE
Multiple buffer overflows in Lotus Domino Web Server before 6.0.1 allow remote attackers to cause a denial of service or execute arbitrary code via (1) the s_ViewName option in the PresetFields parameter for iNotes, (2) the Foldername option in the PresetFields parameter for iNotes, or (3) a long Host header, which is inserted into a long Location header and used during a redirect operation.
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Analysis
by VulDB Data Team • 11/18/2024
The vulnerability identified as CVE-2003-0178 represents a critical security flaw in IBM Lotus Domino Web Server versions prior to 6.0.1, exposing multiple buffer overflow conditions that can be exploited remotely to achieve either denial of service or arbitrary code execution. This vulnerability specifically affects the iNotes webmail application component within the Domino server environment, making it particularly dangerous for organizations relying on email services for business operations.
The technical implementation of this vulnerability involves three distinct attack vectors that all stem from improper input validation within the web server's handling of specific HTTP parameters. The first vector targets the s_ViewName option within the PresetFields parameter used by iNotes, while the second exploits the Foldername option in the same parameter structure. The third vector leverages a long Host header that gets processed and inserted into a Location header during redirect operations, creating a chain of buffer overflow conditions that can be triggered through carefully crafted HTTP requests.
These buffer overflow conditions occur due to insufficient bounds checking when processing user-supplied input data, allowing attackers to overwrite adjacent memory locations in the server process. The vulnerability's exploitation potential is significant as it can be executed remotely without authentication, making it particularly attractive to threat actors seeking to compromise email infrastructure. The memory corruption resulting from these overflows can lead to unpredictable behavior including application crashes, system instability, or complete system compromise depending on the specific memory locations overwritten.
The operational impact of this vulnerability extends beyond simple denial of service scenarios, as successful exploitation could enable attackers to execute arbitrary code with the privileges of the Domino server process. This presents a severe risk to organizations as it could allow unauthorized access to email databases, potentially exposing sensitive corporate communications, user credentials, and business-critical information. The vulnerability affects the core web server functionality, making it particularly damaging for email services that form the backbone of business communication infrastructure.
Organizations should prioritize immediate remediation by upgrading to Lotus Domino Web Server version 6.0.1 or later, which contains the necessary patches to address these buffer overflow conditions. Additionally, network segmentation and access controls should be implemented to limit exposure of the affected server to untrusted networks. Security monitoring should be enhanced to detect unusual patterns in HTTP requests, particularly those involving long parameter values or unusual Host header content. The vulnerability aligns with CWE-121, heap-based buffer overflow, and represents a technique that could be categorized under ATT&CK tactic TA0001 (Initial Access) and technique T1190 (Exploit Public-Facing Application) in the MITRE ATT&CK framework, highlighting its potential for widespread exploitation across internet-facing email servers.
The exploitation of this vulnerability demonstrates the critical importance of proper input validation and memory management in web application development, particularly for enterprise email systems that handle sensitive data. Organizations should also implement comprehensive vulnerability management processes to identify and remediate similar issues in other applications and systems within their infrastructure. Regular security assessments and penetration testing should be conducted to verify that patches have been properly applied and that no additional vulnerabilities exist in the web server configuration or associated applications.