CVE-2016-15028 in REST-API-NET
Summary
by MITRE • 03/12/2023
A vulnerability was found in ICEPAY REST-API-NET 0.9. It has been declared as problematic. Affected by this vulnerability is the function RestClient of the file Classes/RestClient.cs of the component Checksum Validation. The manipulation leads to improper validation of integrity check value. The attack can be launched remotely. Upgrading to version 1.0 is able to address this issue. The name of the patch is 61f6b8758e5c971abff5f901cfa9f231052b775f. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-222847.
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Analysis
by VulDB Data Team • 04/04/2023
The vulnerability identified as CVE-2016-15028 resides within the ICEPAY REST-API-NET 0.9 framework, specifically within the Checksum Validation component located in Classes/RestClient.cs. This issue represents a critical weakness in the integrity validation mechanism that could compromise the security of financial transactions processed through the affected system. The flaw manifests in the RestClient function where the checksum validation process fails to properly verify the integrity check value, creating a potential attack vector that undermines the fundamental security assurances typically expected from payment processing APIs.
This vulnerability falls under the category of improper input validation and weak cryptographic implementation, aligning with CWE-311 and CWE-312 categories that address the exposure of sensitive data and inadequate data protection mechanisms. The improper validation of integrity check values creates a scenario where malicious actors could potentially manipulate transaction data without detection, as the system fails to properly verify that the data has not been tampered with during transmission. The remote exploitation capability of this vulnerability significantly amplifies its potential impact, as attackers can initiate malicious activities from external positions without requiring physical access to the system infrastructure.
The operational impact of this vulnerability extends beyond simple data integrity concerns to encompass potential financial fraud and unauthorized transaction processing. When checksum validation fails, it creates opportunities for man-in-the-middle attacks where attackers could modify payment information, transaction amounts, or other critical parameters without the system detecting the alterations. This weakness directly contradicts the security expectations of payment processing systems and could lead to substantial financial losses for both service providers and end users. The vulnerability's remote exploitability means that threat actors can target the system from anywhere on the internet, making it particularly dangerous for organizations that rely on external API communications for payment processing.
The recommended mitigation strategy involves upgrading the affected component to version 1.0, which includes the patch identified by the commit hash 61f6b8758e5c971abff5f901cfa9f231052b775f. This upgrade addresses the core issue in the RestClient function by implementing proper checksum validation mechanisms that ensure data integrity throughout the transaction processing lifecycle. Organizations should also consider implementing additional security controls such as request/response monitoring, transaction logging, and regular security assessments to detect potential exploitation attempts. The vulnerability's classification under VDB-222847 indicates its recognition within security databases, emphasizing the importance of timely remediation. Security teams should prioritize this update as part of their vulnerability management processes, particularly given the financial implications of payment processing systems and the potential for automated exploitation of such weaknesses in widely used API frameworks.