CVE-2020-9666 in Campaign Classic
Summary
by MITRE
Adobe Campaign Classic before 20.2 have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
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Analysis
by VulDB Data Team • 10/27/2020
Adobe Campaign Classic versions prior to 20.2 contain a critical out-of-bounds read vulnerability that stems from insufficient input validation within the application's memory management routines. This vulnerability falls under CWE-125, which specifically addresses out-of-bounds read conditions where an application attempts to read data beyond the boundaries of a buffer or array. The flaw manifests when the system processes certain user-supplied data without proper bounds checking, allowing malicious actors to manipulate memory access patterns and potentially read sensitive information from adjacent memory locations. The vulnerability exists in the core processing engine that handles campaign data and user inputs, making it particularly dangerous as it can be triggered through normal application usage scenarios.
The operational impact of this vulnerability extends beyond simple information disclosure, as it creates potential pathways for more sophisticated attacks that align with techniques described in the MITRE ATT&CK framework under the T1005 data hijacking tactic. An attacker exploiting this vulnerability could gain access to sensitive campaign data, user credentials, system configurations, and other confidential information stored in memory. The out-of-bounds read condition specifically allows for memory corruption that may enable further exploitation attempts, including potential privilege escalation or denial of service conditions that could disrupt critical marketing automation processes. This vulnerability particularly affects organizations relying on Adobe Campaign Classic for customer relationship management and email marketing operations where data confidentiality is paramount.
Organizations should immediately implement the security patch released by Adobe as part of their 20.2 update cycle to remediate this vulnerability. The patch addresses the root cause by implementing proper input validation and bounds checking mechanisms within the affected code paths. Additionally, network segmentation and monitoring should be enhanced to detect potential exploitation attempts through unusual data processing patterns or memory access anomalies. Security teams should also consider implementing application whitelisting policies to restrict execution of unauthorized code and deploy intrusion detection systems that can identify suspicious memory access patterns. The vulnerability demonstrates the importance of maintaining current security patches and following the principle of least privilege when configuring Adobe Campaign Classic environments to minimize potential attack surface exposure.