CVE-2008-3579 in Atmail
Summary
by MITRE
Calacode @Mail 5.41 on Linux does not require administrative authentication for build-plesk-upgrade.php, which allows remote attackers to obtain sensitive information by creating and downloading a backup archive of the entire @Mail directory tree. NOTE: this can be leveraged for remote exploitation of CVE-2008-3395. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 08/01/2021
The vulnerability identified as CVE-2008-3579 affects Calacode @Mail version 5.41 running on Linux systems, representing a critical security flaw in the authentication mechanisms of the application's upgrade process. This issue stems from the improper implementation of access controls within the build-plesk-upgrade.php script, which fails to enforce administrative authentication requirements. The flaw exists in the application's privilege management system, creating an unauthorized access vector that bypasses normal security controls. According to CWE-284, this represents an inadequate access control implementation where the system does not properly verify user credentials before granting access to sensitive functionality. The vulnerability is particularly concerning as it allows unauthenticated remote attackers to execute malicious activities that could compromise the entire system.
The technical exploitation of this vulnerability involves creating and downloading backup archives that contain the complete @Mail directory tree, effectively exposing sensitive system information to unauthorized parties. This flaw directly impacts the confidentiality and integrity of the system by providing attackers with comprehensive access to the application's file structure and potentially sensitive data stored within. The attack vector is remote and does not require any prior authentication credentials, making it particularly dangerous in networked environments. The vulnerability enables attackers to gather extensive information about the system configuration, file permissions, and application structure, which can be used for further exploitation. This aligns with ATT&CK technique T1213, which covers data from information repositories, and T1078, which addresses valid accounts for maintaining access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it serves as a potential stepping stone for more severe attacks. The described weakness can be leveraged to facilitate exploitation of CVE-2008-3395, indicating that this vulnerability acts as a precursor to more sophisticated attacks within the same attack chain. This interconnected nature of vulnerabilities demonstrates how seemingly minor authentication flaws can create cascading security risks. The compromise of the upgrade process specifically targets the system's ability to maintain secure updates, potentially allowing attackers to inject malicious code into the upgrade mechanism. Organizations using this software face significant risk of complete system compromise, as the vulnerability enables attackers to access system-level information that could be used for privilege escalation or lateral movement within the network infrastructure.
Mitigation strategies for CVE-2008-3579 should focus on implementing proper access controls and authentication mechanisms within the application. System administrators should immediately apply the vendor's security patches or implement workarounds to restrict access to the build-plesk-upgrade.php script. The solution involves enforcing administrative authentication requirements before allowing access to sensitive upgrade functions, which aligns with security best practices outlined in the OWASP Top Ten. Organizations should also consider implementing network segmentation to limit access to critical administrative functions and establish monitoring protocols to detect unauthorized access attempts. Additionally, regular security audits should be conducted to identify similar authentication bypass vulnerabilities in other system components, as this flaw demonstrates the importance of comprehensive access control validation. The vulnerability highlights the necessity of following principle of least privilege and ensuring that all administrative functions require proper authentication before execution, which is fundamental to maintaining system security boundaries.