CVE-2001-1312 in Lotus Domino R5
Summary
by MITRE
Format string vulnerabilities in Lotus Domino R5 before R5.0.7a allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code, as demonstrated by the PROTOS LDAPv3 test suite.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 12/27/2024
The vulnerability identified as CVE-2001-1312 represents a critical format string flaw discovered in IBM Lotus Domino R5 software prior to version R5.0.7a. This vulnerability exists within the application's handling of formatted string inputs, specifically when processing LDAPv3 protocol requests through the PROTOS test suite. The flaw stems from improper validation and sanitization of user-supplied data that gets directly incorporated into format strings without adequate escaping or encoding mechanisms. When maliciously crafted input is processed through the vulnerable code paths, it can trigger unintended behavior in the application's memory management and execution flow.
The technical exploitation of this vulnerability leverages the fundamental weakness in how the Lotus Domino server processes string formatting operations. Format string vulnerabilities occur when application code uses user-controllable input as format specifiers in functions like printf, sprintf, or related string manipulation routines without proper validation. In the context of Lotus Domino, this vulnerability manifests when the server processes LDAPv3 requests that contain specially crafted format specifiers in the protocol data. The attacker can manipulate the input to reference memory locations, potentially causing the application to read or write data at arbitrary addresses, leading to either application crashes or more severe exploitation possibilities.
The operational impact of this vulnerability extends beyond simple denial of service conditions to encompass potential remote code execution capabilities. When successfully exploited, the vulnerability can cause the Domino server to crash and restart, resulting in service disruption that affects email services, database access, and other critical enterprise functions. The possibility of arbitrary code execution presents a more severe threat as attackers could potentially gain unauthorized access to the server, escalate privileges, and establish persistent backdoors within the organization's infrastructure. This vulnerability particularly affects organizations relying on Lotus Domino for email and collaboration services, making it a prime target for attackers seeking to compromise enterprise email systems.
Organizations should implement immediate mitigations including applying the vendor-provided patch for Lotus Domino R5.0.7a or later versions, which addresses the format string vulnerability through proper input validation and sanitization. Network segmentation and access controls should be enforced to limit exposure of Domino servers to untrusted networks, while monitoring systems should be configured to detect anomalous LDAPv3 traffic patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-134, which specifically addresses format string vulnerabilities in software applications, and corresponds to attack techniques documented in the MITRE ATT&CK framework under the T1059.007 category for command and scripting interpreter, as exploitation may involve executing arbitrary code on compromised systems. Security teams should also consider implementing intrusion detection systems that can identify and block malicious format string payloads targeting this specific vulnerability.