CVE-2024-47182 in dozzle
Summary
by MITRE • 09/27/2024
Dozzle is a realtime log viewer for docker containers. Before version 8.5.3, the app uses sha-256 as the hash for passwords, which leaves users susceptible to rainbow table attacks. The app switches to bcrypt, a more appropriate hash for passwords, in version 8.5.3.
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Analysis
by VulDB Data Team • 11/08/2024
The vulnerability identified as CVE-2024-47182 affects Dozzle, a real-time log viewer application designed for docker containers that provides administrators with immediate access to container logs. This application serves as a critical tool in containerized environments where monitoring and debugging are essential operations. The security flaw manifests in the application's password hashing implementation, which represents a significant weakness in the authentication system that could compromise user accounts and system integrity. The vulnerability impacts versions prior to 8.5.3, indicating that users running older releases are exposed to potential security risks.
The technical flaw stems from the application's use of SHA-256 hashing for password storage, which fundamentally violates established security best practices for credential protection. SHA-256 is a cryptographic hash function designed for data integrity verification rather than password storage, making it inherently unsuitable for protecting user credentials. This implementation choice leaves user passwords vulnerable to rainbow table attacks, where precomputed hash tables can be used to reverse-engineer passwords, particularly affecting users with weak or common passwords. The vulnerability directly maps to CWE-327, which addresses the use of insecure cryptographic algorithms, and CWE-521, which covers weak password requirements. This insecure implementation represents a critical failure in the application's security architecture and violates fundamental principles of secure password handling.
The operational impact of this vulnerability extends beyond simple credential compromise, as it creates potential entry points for attackers to gain unauthorized access to container monitoring systems. In containerized environments where Dozzle is commonly deployed, compromised credentials could lead to unauthorized access to sensitive application logs, potentially exposing system configurations, application data, and operational details. Attackers could leverage this vulnerability to perform privilege escalation attacks, access confidential information, or even manipulate container operations through the compromised monitoring interface. The risk is particularly significant in production environments where Dozzle might be used to monitor critical applications, making this vulnerability a substantial threat to overall system security. According to ATT&CK framework, this vulnerability aligns with T1110.003 for credential access through password cracking and T1078.004 for valid accounts, demonstrating how insecure password storage creates multiple attack vectors.
The remediation for this vulnerability involves upgrading to version 8.5.3 or later, which implements bcrypt as the password hashing algorithm. Bcrypt provides adaptive hashing with built-in salt generation, making it resistant to rainbow table attacks and providing appropriate security for password storage. This change represents a fundamental improvement in the application's security posture, as bcrypt incorporates computational cost parameters that can be adjusted to maintain security against increasing computational power. Organizations should immediately implement this upgrade across all instances of Dozzle in their environment and consider performing password resets for all users to ensure that compromised credentials are not retained in the system. The transition from SHA-256 to bcrypt also aligns with industry standards such as NIST SP 800-63B, which recommends the use of adaptive hash functions for password storage, and ISO/IEC 27001, which emphasizes the importance of secure authentication mechanisms in information security management.