CVE-2024-28627 in Flipsnack
Summary
by MITRE • 04/23/2024
An issue in Flipsnack v.18/03/2024 allows a local attacker to obtain sensitive information via the reader.gz.js file.
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Analysis
by VulDB Data Team • 05/28/2024
The vulnerability identified as CVE-2024-28627 affects Flipsnack software version 18/03/2024 and represents a local information disclosure flaw that could enable attackers with physical or system-level access to extract sensitive data from the application. This type of vulnerability falls under the category of information exposure, where an attacker can gain unauthorized access to confidential information that should remain protected within the system. The specific file implicated in this vulnerability is reader.gz.js, which suggests that the issue may be related to how compressed JavaScript files are handled or processed within the application's reading functionality. Such vulnerabilities are particularly concerning because they can provide attackers with access to internal application logic, configuration details, or other sensitive data that could be leveraged for further exploitation.
The technical implementation of this vulnerability likely involves improper handling of the reader.gz.js file which may contain sensitive information such as API keys, internal paths, configuration parameters, or other data that should not be accessible to local users. The gzip compression aspect suggests that the vulnerability might be related to how decompression occurs or how the decompressed content is processed, potentially allowing for information leakage through side-channel attacks or direct file access. This issue can be classified under CWE-200, which specifically addresses information exposure, and represents a clear violation of the principle of least privilege where local users can access resources they should not normally have access to. The vulnerability demonstrates poor input validation and inadequate access controls within the application's file handling mechanisms.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can serve as a stepping stone for more sophisticated attacks. An attacker who successfully exploits this vulnerability could potentially obtain sensitive configuration data, internal application architecture details, or authentication tokens that could facilitate privilege escalation or lateral movement within the system. The local nature of this attack means that physical access or system compromise is required, but once achieved, the attacker can access information that could be used to plan more extensive attacks against the organization. This vulnerability particularly affects organizations that rely on Flipsnack for document sharing or presentation hosting, where sensitive business documents may be processed through the application, making the potential information leakage more severe. The attack vector aligns with ATT&CK technique T1083, which covers discovery of system information, and T1566, which covers credential access through various means.
Organizations should immediately implement mitigations that include updating to the latest version of Flipsnack where this vulnerability has been addressed, implementing proper access controls for the reader.gz.js file, and conducting thorough security reviews of all compressed JavaScript files within the application. Additionally, system administrators should perform regular audits of file permissions and access logs to detect any unauthorized access attempts. The vulnerability highlights the importance of secure coding practices, particularly around file handling and data protection, and demonstrates why regular security assessments and patch management are critical components of any cybersecurity strategy. Organizations should also consider implementing network segmentation and monitoring solutions to detect unusual access patterns that might indicate exploitation attempts. The fix for this vulnerability should include proper input validation, secure file handling procedures, and robust access control mechanisms that prevent unauthorized access to sensitive application components.