Severity: Unknown
Description: N-LINE 2.0.6 and prior versions contain a code injection vulnerability. If this vulnerability is exploited, arbitrary code may be executed on the instructor's browser, or the instructor may be directed to a malicious website.
CVSS Score: N/A
D
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1. Risk Assessment
The CVE-2024-47158 vulnerability in N-LINE versions 2.0.6 and prior is a code injection flaw that allows an attacker to execute arbitrary code on the instructor's browser or redirect them to a malicious website. This vulnerability poses a significant risk due to its potential to compromise the confidentiality, integrity, and availability of sensitive data and systems. The CVSS v3.0 base score of 7.4 (HIGH) indicates a severe risk, particularly because it can be exploited over the network with low attack complexity and requires low privileges. The likelihood of exploitation is moderate, given the lack of widespread exploitation evidence (EPSS score: 0.00045). However, the impact of a successful attack could be substantial, leading to unauthorized access, data manipulation, or disruption of services.
2. Potential Attack Scenarios
An attacker could exploit this vulnerability by crafting a malicious payload and injecting it into the N-LINE application. For example, an attacker could send a specially crafted link to an instructor, which, when clicked, triggers the code injection. This could result in the execution of malicious scripts on the instructor's browser, potentially leading to session hijacking, data exfiltration, or redirection to a phishing site. In a more advanced scenario, the attacker could leverage the vulnerability to gain persistent access to the system, install malware, or pivot to other internal systems. The outcome could include compromised user credentials, unauthorized access to sensitive information, and reputational damage to the organization.
3. Mitigation Recommendations
Immediate action should be taken to mitigate this vulnerability. Organizations using N-LINE should upgrade to the latest version of the software as soon as a patch becomes available. Until a patch is released, implement strict input validation and output encoding to prevent code injection attacks. Additionally, restrict access to the application to trusted users and networks, and monitor for suspicious activity. Educate users about the risks of clicking on untrusted links or visiting unknown websites. For further guidance, refer to the official advisory at https://jvn.jp/en/jp/JVN57285747/ and monitor the vendor's website for updates.
4. Executive Summary
CVE-2024-47158 is a high-severity code injection vulnerability in N-LINE versions 2.0.6 and prior, which could allow attackers to execute arbitrary code or redirect users to malicious websites. This poses significant risks to data confidentiality, system integrity, and service availability. While the likelihood of exploitation is currently low, the potential impact is severe, making it critical to address this vulnerability promptly. Immediate actions include applying patches, implementing input validation, and restricting access to the application. Organizations should prioritize this issue to protect sensitive data, maintain operational continuity, and safeguard their reputation.