CVE-2019-7843 in Campaign
Summary
by MITRE
Adobe Campaign Classic version 18.10.5-8984 and earlier versions have an Insufficient input validation vulnerability. Successful exploitation could lead to Information Disclosure in the context of the current user.
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Analysis
by VulDB Data Team • 07/09/2020
Adobe Campaign Classic contains a critical insufficient input validation vulnerability that affects versions 18.10.5 and earlier, including the specific build 8984. This flaw resides in the application's data handling mechanisms where user-supplied inputs are not adequately validated before processing, creating a pathway for malicious actors to exploit the system. The vulnerability stems from the application's failure to properly sanitize and validate data entered through various interfaces, particularly those related to campaign management and user interaction components. When exploited, this weakness allows attackers to manipulate input fields and potentially access sensitive information that should remain restricted to authorized users. The vulnerability specifically impacts the application's ability to distinguish between legitimate and malicious data, enabling attackers to craft inputs that bypass normal validation checks and gain unauthorized access to data within the current user context. This issue falls under the CWE-20 category of Improper Input Validation, which is classified as a fundamental weakness in software design that consistently leads to various security exploits including information disclosure, privilege escalation, and data corruption. The attack vector typically involves sending crafted payloads through web forms, API endpoints, or other user input mechanisms within the Adobe Campaign Classic interface. From an operational perspective, this vulnerability represents a significant risk to organizations relying on Adobe Campaign Classic for customer data management and marketing automation, as it could lead to exposure of sensitive customer information, campaign data, and internal system details. The impact is particularly concerning because it operates within the context of the current user, meaning attackers could potentially access data that is normally restricted to specific user roles or permissions. Organizations using affected versions face potential regulatory compliance violations and data breach risks, especially in environments where customer privacy and data protection are paramount. The vulnerability aligns with several tactics from the MITRE ATT&CK framework, particularly those related to credential access and privilege escalation through input validation attacks. Security professionals should prioritize this vulnerability for remediation, as it provides a relatively straightforward attack path that does not require advanced exploitation techniques or specialized tools. The fix involves implementing comprehensive input validation mechanisms that properly sanitize all user inputs and enforce strict data type and format checks before processing. Organizations should also consider implementing additional security controls such as web application firewalls, input filtering rules, and regular security assessments to prevent exploitation of similar vulnerabilities. The affected Adobe Campaign Classic versions should be immediately updated to the latest available patches, which address the insufficient input validation issue and restore proper data validation controls. Additionally, organizations should conduct thorough security reviews of their Adobe Campaign Classic implementations to identify and remediate any other potential input validation weaknesses that could be exploited in similar fashion.