CVE-2023-43301 in Darts Shop Maxim mini-app on Line
Summary
by MITRE • 12/07/2023
An issue in DARTS SHOP MAXIM mini-app on Line v13.6.1 allows attackers to send crafted malicious notifications via leakage of the channel access token.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 08/28/2024
The vulnerability identified as CVE-2023-43301 affects the DARTS SHOP MAXIM mini-app running on Line v13.6.1, representing a critical security flaw that enables unauthorized attackers to exploit the application's notification system. This issue stems from improper handling of channel access tokens within the mini-app's communication framework, creating a pathway for malicious actors to manipulate the notification delivery mechanism. The vulnerability specifically targets the application's reliance on channel access tokens for authenticating notification requests, which are inadvertently exposed or improperly validated during the notification processing flow.
The technical implementation of this vulnerability involves a failure in the authentication and authorization mechanisms governing the mini-app's notification subsystem. Attackers can leverage the leaked channel access token to craft and send malicious notifications to users of the DARTS SHOP MAXIM mini-app without proper authorization. This flaw represents a direct violation of the principle of least privilege and demonstrates a critical weakness in the application's token management and validation processes. The channel access token serves as the primary authentication mechanism for notification delivery, and its exposure allows attackers to bypass normal access controls and execute unauthorized notification operations.
The operational impact of this vulnerability extends beyond simple notification manipulation, creating potential vectors for more severe attacks including phishing campaigns, social engineering operations, and malicious content distribution. Users of the mini-app become vulnerable to receiving notifications containing malicious links, spam content, or fraudulent information that appears to originate from legitimate sources. This exploitation capability can significantly damage user trust and the application's reputation while potentially enabling further attacks such as credential theft or system compromise through user interaction with malicious notifications. The vulnerability also represents a potential privacy concern as attackers can send targeted notifications to specific user groups or individuals.
Security practitioners should consider this vulnerability in the context of the CWE taxonomy, specifically aligning with CWE-284 (Improper Access Control) and CWE-352 (Cross-Site Request Forgery) categories, as the flaw enables unauthorized access to notification delivery mechanisms and allows for potentially malicious request manipulation. The vulnerability also maps to ATT&CK technique T1566 (Phishing) and T1071.004 (Application Layer Protocol: DNS) when attackers leverage the notification system for malicious communication. Mitigation strategies should include immediate implementation of proper token rotation mechanisms, enforcement of strict access control policies for notification endpoints, and comprehensive validation of all incoming notification requests. Organizations should also consider implementing additional authentication layers, monitoring for unusual notification patterns, and conducting regular security assessments of their notification systems to prevent similar vulnerabilities from emerging in other components of their application infrastructure.