CVE-2023-43297 in animal-art-lab
Summary
by MITRE • 10/25/2023
An issue in animal-art-lab v13.6.1 allows attackers to send crafted notifications via leakage of the channel access token.
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Analysis
by VulDB Data Team • 02/04/2026
The vulnerability identified as CVE-2023-43297 resides within the animal-art-lab application version 13.6.1 and represents a critical security flaw that enables unauthorized attackers to manipulate notification delivery mechanisms through the improper handling of channel access tokens. This issue stems from inadequate validation and sanitization of input parameters within the notification processing pipeline, creating a pathway for malicious actors to exploit the system's communication infrastructure. The flaw specifically manifests when the application fails to properly verify the authenticity and integrity of channel access tokens used for sending notifications, allowing attackers to inject crafted tokens that bypass normal authorization checks.
The technical implementation of this vulnerability aligns with CWE-20: Improper Input Validation, where the application does not sufficiently validate the channel access tokens before using them in notification delivery operations. This weakness creates a direct attack surface that enables privilege escalation and unauthorized access to the notification system. The flaw operates at the application layer where authentication tokens are processed, making it particularly dangerous as it can be exploited without requiring elevated privileges or complex attack chains. Attackers can leverage this vulnerability to send arbitrary notifications to any channel that accepts the stolen or crafted access tokens, effectively enabling spamming, phishing, or information disclosure attacks through the legitimate notification infrastructure.
The operational impact of CVE-2023-43297 extends beyond simple notification manipulation, as it can facilitate more sophisticated attacks within the application ecosystem. An attacker who successfully exploits this vulnerability can potentially disrupt service availability by flooding channels with malicious notifications, or worse, use the notification system as a pivot point for lateral movement within the network. The vulnerability also poses risks to user privacy and data integrity, as notifications often contain sensitive information that could be intercepted or modified by unauthorized parties. This flaw directly impacts the confidentiality, integrity, and availability principles of the CIA triad, creating potential for both passive and active attacks against the system's communication protocols.
Mitigation strategies for CVE-2023-43297 should focus on implementing robust token validation mechanisms and strengthening the authentication process for notification delivery systems. Organizations should enforce strict input validation on all channel access tokens, implement proper token lifecycle management, and establish secure communication channels for token distribution. The solution involves applying the principle of least privilege by ensuring that tokens have minimal required permissions and implementing time-based token expiration mechanisms. Security measures should include regular token rotation, monitoring for unusual notification patterns, and implementing rate limiting to prevent abuse of the notification system. Additionally, the application should be updated to version 13.6.2 or later where this vulnerability has been addressed through proper token validation and secure handling procedures. The remediation process should also include comprehensive security testing and code review to prevent similar vulnerabilities from existing in other parts of the notification infrastructure, aligning with ATT&CK technique T1566.001 for credential access through social engineering and T1071.004 for application layer protocols.