HCL Domino is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView. This could allow a remote unauthenticated attacker to crash the application or execute arbitrary code via a crafted Lotus Ami Pro file. This vulnerability is critical, with a CVSS score of 9.8, indicating its severe impact on confidentiality, integrity, and availability.
Risk to organizations includes potential unauthorized access and disruption of operations, making this vulnerability particularly dangerous for environments that rely on HCL Domino for their critical applications. Organizations should prioritize patching immediately.
Currently, there are no known exploits publicly available for this vulnerability; however, the potential for exploitation remains high. Organizations are advised to monitor for updates from HCL and implement the necessary patches as soon as they are available.
Given the critical nature of this vulnerability, timely remediation is crucial to safeguarding sensitive information and maintaining system integrity.
Vulnerability Details
The official description states that HCL Domino is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView. This vulnerability allows attackers to potentially crash the application or execute arbitrary code via a crafted Lotus Ami Pro file. This vulnerability applies to software previously licensed by IBM.
This vulnerability is classified as CVE-2022-44750 with a CVSS score of 9.8, indicating a critical severity level. The vulnerability was published on December 19, 2022, and has been modified since its initial disclosure.
The Common Weakness Enumeration (CWE) classification for this vulnerability is CWE-787, indicating a stack-based buffer overflow. This highlights the need for careful handling of memory buffers in application development.
Technical Analysis
The root cause of this vulnerability lies in improper validation of input data that leads to a stack-based buffer overflow in the lasr.dll component. The attack vector is network-based, allowing attackers to exploit the vulnerability remotely without requiring physical access to the system.
The attack complexity is low, meaning that attackers do not require advanced skills to exploit this vulnerability. Additionally, no privileges are required to execute the attack, and user interaction is not necessary, making it easier for attackers to leverage this vulnerability effectively.
The impacts of this vulnerability are severe, affecting confidentiality, integrity, and availability of the application. Successful exploitation may lead to unauthorized access and disruption of services.
Risk & Impact Analysis
The real-world risk associated with this vulnerability is significant, particularly for organizations relying on HCL Domino for critical business functions. The potential for unauthorized access and application crashes can lead to operational disruptions and data breaches.
The blast radius of this vulnerability extends to any organization using vulnerable versions of HCL Domino, emphasizing the urgency for immediate patching to prevent exploitation.
Organizations should prioritize remediation efforts based on the critical CVSS score of 9.8, ensuring that they address this vulnerability in their priority patch cycle.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerable versions of HCL Domino include:
• HCL Domino 9.0 • HCL Domino 9.0.1 and its various fix packs and feature packs.
Mitigation & Remediation
Organizations should apply the latest patches provided by HCL to remediate this vulnerability. For those unable to apply patches immediately, consider implementing workarounds such as restricting access to lasr.dll.
For comprehensive security, organizations may also want to engage in penetration testing to identify potential weaknesses in their environment.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor for unusual application crashes or unexpected behavior in HCL Domino.
Log indicators may include patterns of access to lasr.dll and any anomalous entries in application logs.
AppSecure Threat Intelligence Insight
The discovery of this critical vulnerability underscores the importance of proactive security measures in application development. Security teams should prioritize the implementation of secure coding practices to prevent similar vulnerabilities.
Additionally, organizations should stay informed about emerging threats and consider engaging in services such as red teaming to rigorously evaluate their security posture.
For organizations using HCL Domino, this vulnerability serves as a crucial reminder to regularly assess their security measures and remain vigilant against potential exploits. Engaging in continuous security assessments can help fortify defenses.
For further insights on security best practices, organizations can refer to resources such as penetration testing methodology and vulnerability management program design to enhance their security strategies.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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