CVE-2001-0586 in Scanmail Exchange
Summary
by MITRE
TrendMicro ScanMail for Exchange 3.5 Evaluation allows a local attacker to recover the administrative credentials for ScanMail via a combination of unprotected registry keys and weakly encrypted passwords.
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Analysis
by VulDB Data Team • 04/08/2019
The vulnerability identified as CVE-2001-0586 affects TrendMicro ScanMail for Exchange 3.5 Evaluation software, representing a significant security weakness that enables local attackers to obtain administrative credentials through exploitation of poorly configured system components. This issue stems from the software's handling of authentication credentials within the Windows registry, where sensitive information is stored without adequate protection mechanisms. The vulnerability specifically targets the evaluation version of the ScanMail for Exchange product, which was designed to provide temporary access for testing purposes but inadvertently exposes critical system information to unauthorized local users.
The technical flaw manifests through a combination of unprotected registry keys and weak encryption methodologies employed by the ScanMail software. When the system stores administrative credentials for the ScanMail service, it does so in registry locations that lack proper access controls or encryption protections. This configuration allows any local user with basic system privileges to access these registry entries and extract password information that has been encrypted using weak or obsolete encryption algorithms. The vulnerability demonstrates poor security practices in credential storage, where encryption is either absent or insufficient to prevent unauthorized access to sensitive data. This weakness aligns with common issues categorized under CWE-312, which addresses the exposure of sensitive information through improper encryption or storage mechanisms.
The operational impact of this vulnerability extends beyond simple credential theft, as successful exploitation can lead to complete system compromise and unauthorized administrative access. Local attackers who gain access to these credentials can manipulate the ScanMail configuration, potentially redirecting email traffic, disabling security features, or establishing persistent backdoors within the email infrastructure. The vulnerability is particularly concerning because it affects an evaluation version of enterprise security software, suggesting that similar issues may exist in production deployments where proper security hardening practices have not been implemented. This type of vulnerability enables attackers to establish a foothold within email systems that are typically considered critical infrastructure components requiring robust security controls.
Mitigation strategies for this vulnerability should focus on implementing proper registry access controls, strengthening encryption mechanisms for stored credentials, and conducting comprehensive security assessments of all system components. Organizations should ensure that registry keys containing sensitive information are properly secured using appropriate access control lists and that encryption methods meet current security standards. The ATT&CK framework categorizes this type of vulnerability under credential access techniques, specifically targeting the use of registry keys and weak encryption to obtain administrative privileges. System administrators should implement regular security audits to identify and remediate similar issues in other applications and services, particularly those handling authentication credentials. Additionally, the evaluation version should not be deployed in production environments without proper security hardening, and all credential storage mechanisms should be reviewed against established security guidelines to prevent similar exposure scenarios.