CVE-2014-1643 in Encryption Management Server
Summary
by MITRE
The Web Email Protection component in Symantec Encryption Management Server (aka PGP Universal Server) before 3.3.2 allows remote authenticated users to read the stored outbound e-mail messages of arbitrary users via a modified URL.
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Analysis
by VulDB Data Team • 06/09/2021
The vulnerability identified as CVE-2014-1643 resides within Symantec's Encryption Management Server, specifically affecting the Web Email Protection component. This critical security flaw exists in versions prior to 3.3.2 and represents a significant authorization bypass issue that undermines the server's email security posture. The vulnerability stems from inadequate input validation and access control mechanisms within the web interface, creating a pathway for malicious actors to exploit the system's trust model. The affected component serves as a crucial gateway for email encryption and decryption processes, making it a prime target for attackers seeking to compromise sensitive communications.
Technical exploitation of this vulnerability requires an attacker to possess valid authentication credentials, which significantly reduces the attack surface but does not eliminate the risk entirely. The flaw manifests through a URL manipulation technique where authenticated users can modify URL parameters to access email messages belonging to other users within the same system. This represents a classic case of insufficient access control validation, where the application fails to properly verify user permissions before granting access to email content. The vulnerability specifically affects the outbound email message storage system, allowing attackers to retrieve sensitive information that should remain confidential to the intended recipients. This type of flaw aligns with CWE-285, which addresses improper authorization in software systems, and demonstrates how weak input validation can lead to privilege escalation.
The operational impact of this vulnerability extends beyond simple information disclosure, as it enables unauthorized access to potentially sensitive email communications that may contain confidential business data, personal information, or proprietary content. Attackers could leverage this vulnerability to perform corporate espionage, steal intellectual property, or compromise business relationships by accessing private communications between employees and external parties. The affected environment typically includes organizations that rely heavily on email encryption for compliance with regulations such as pci dss, hipaa, or gdpr, making the potential data breach consequences severe. The vulnerability's remote nature means that attackers can exploit it from outside the organization's network, provided they have valid user credentials, which highlights the importance of credential security and multi-factor authentication. This weakness directly impacts the confidentiality aspect of the CIA triad, as it allows unauthorized disclosure of encrypted email content.
Organizations affected by this vulnerability should immediately implement the vendor-provided patch version 3.3.2 or later, which addresses the access control bypass issue through proper URL parameter validation and enhanced authorization checks. Security teams should conduct comprehensive audits of their email systems to identify any other potential access control weaknesses that could be exploited in similar fashion. Network segmentation and monitoring should be enhanced to detect unusual access patterns that might indicate exploitation attempts. The implementation of principle of least privilege should be reviewed and enforced, ensuring that users only have access to the email content necessary for their roles. Additionally, organizations should consider implementing web application firewalls to detect and block malicious URL manipulation attempts. This vulnerability serves as a reminder of the critical importance of proper access control implementation and the necessity of regular security testing to identify and remediate authorization flaws before they can be exploited by malicious actors. The incident underscores the need for continuous security assessment and the importance of maintaining up-to-date security patches across all enterprise systems.