CVE-2018-0612 in 5000 Trillion Yen Converter
Summary
by MITRE
Cross-site scripting vulnerability in 5000 trillion yen converter v1.0.6 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 02/22/2020
The CVE-2018-0612 vulnerability represents a critical cross-site scripting flaw discovered in the 5000 trillion yen converter version 1.0.6 web application. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability specifically affects the input validation mechanisms within the application's processing pipeline, creating an entry point for malicious actors to execute arbitrary code within the context of a victim's browser session.
The technical exploitation of this vulnerability occurs through unspecified vectors that likely involve user-controllable input fields or parameters within the web application. Attackers can craft malicious payloads that, when processed by the vulnerable application, get executed in the browsers of unsuspecting users. This type of vulnerability typically arises when applications fail to properly sanitize or encode user-supplied data before rendering it in web pages. The impact extends beyond simple script execution to potentially enable session hijacking, credential theft, and other advanced persistent threats that can compromise the entire user base of the application.
From an operational perspective, this vulnerability creates significant risk for organizations relying on the 5000 trillion yen converter application, particularly those handling sensitive financial data or user information. The remote nature of the attack means that threat actors can exploit this vulnerability from anywhere on the internet without requiring physical access to the target system. The consequences can include unauthorized data access, financial fraud, and potential regulatory violations under data protection frameworks such as gdpr or pci dss. The vulnerability's presence in a financial conversion tool specifically raises concerns about potential manipulation of financial data or user trust compromise in monetary calculations.
Security practitioners should implement multiple layers of defense to mitigate this vulnerability effectively. Input validation and output encoding mechanisms must be strengthened to prevent malicious scripts from being executed within the application context. The implementation of content security policies, proper sanitization of user inputs, and regular security code reviews can significantly reduce the attack surface. Additionally, organizations should consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts. This vulnerability aligns with attack patterns documented in the mitre att&ck framework under the web application attack techniques, specifically targeting the execution of malicious code through web interfaces. Regular patch management and vulnerability assessment programs should be implemented to identify similar weaknesses in other applications within the organization's attack surface.