CVE-2014-8068 in Digital Editions
Summary
by MITRE
Adobe Digital Editions (DE) 4 does not use encryption for transmission of data to adelogs.adobe.com, which allows remote attackers to obtain sensitive information by sniffing the network, as demonstrated by book-navigation information.
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Analysis
by VulDB Data Team • 12/10/2024
Adobe Digital Editions version 4 suffers from a critical security flaw that violates fundamental principles of secure communications. The vulnerability exists in the software's handling of data transmission to the adobe.com domain, specifically the adelogs.adobe.com endpoint where usage statistics and book navigation information are sent. This represents a clear violation of the principle of least privilege and secure data transmission practices, as the application fails to implement proper encryption protocols for data in transit.
The technical flaw manifests as the complete absence of Transport Layer Security (TLS) or Secure Sockets Layer (SSL) encryption when communicating with Adobe's logging servers. This means that all data transmitted from the user's device to adobe.com is sent in plaintext, making it susceptible to interception by any network monitoring tool or attacker positioned within the network path. The vulnerability falls under CWE-319, which specifically addresses the exposure of sensitive information through improper encryption of network communications. The attack vector is straightforward and accessible, requiring only basic network sniffing capabilities to capture and analyze the transmitted data.
The operational impact of this vulnerability is significant as it exposes users' reading habits and book navigation patterns to potential adversaries. The transmitted information includes detailed book navigation data that can reveal personal reading preferences, browsing behavior, and potentially sensitive content consumption patterns. This type of information can be used for behavioral profiling, targeted advertising, or even more concerning activities such as identifying individuals' political or religious preferences based on their reading choices. The vulnerability affects all users of Adobe Digital Editions 4 who connect to the internet, creating a widespread risk across the user base.
From an adversarial perspective, this vulnerability aligns with ATT&CK technique T1041, which involves data from network sniffing activities, and T1071.004, which covers application layer protocols involving web services. The attack surface is particularly concerning because it operates silently in the background without user awareness, making it difficult to detect and mitigate. Organizations and individuals using Adobe Digital Editions 4 are essentially broadcasting their reading habits to anyone who can intercept network traffic, creating a significant privacy risk that extends beyond simple information disclosure.
The recommended mitigation strategies include immediately updating to a newer version of Adobe Digital Editions that properly implements encryption for all network communications, implementing network monitoring to detect and block communication with the vulnerable endpoint, and educating users about the risks of using outdated software. Additionally, network administrators should consider implementing firewalls or proxy configurations that prevent direct access to adobe.com domains, particularly those related to logging and telemetry functions. The vulnerability demonstrates the critical importance of maintaining up-to-date software and implementing proper encryption protocols for all network communications, as even seemingly innocuous applications can create significant security risks when they fail to protect user data in transit.