CVE-2015-0870 in Fumy News Clipper
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in hb.cgi in Nishishi Factory Fumy News Clipper 2.x before 2.5.0 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 04/10/2018
The vulnerability identified as CVE-2015-0870 represents a cross-site scripting flaw in the hb.cgi component of Nishishi Factory Fumy News Clipper version 2.x prior to 2.5.0. This type of vulnerability falls under the Common Weakness Enumeration category CWE-79, which specifically addresses improper neutralization of input during web page generation. The affected software component serves as a web interface for news clipping functionality, making it a potential entry point for malicious actors seeking to exploit web application vulnerabilities.
The technical implementation of this XSS vulnerability occurs through unspecified vectors within the hb.cgi script, which processes user input without adequate sanitization or validation mechanisms. When users interact with the news clipping interface, the application fails to properly escape or filter potentially malicious content that could be injected through various input fields or parameters. This allows remote attackers to execute arbitrary web scripts or HTML code within the context of other users' browsers, effectively bypassing the browser's security restrictions. The vulnerability's impact is amplified by the fact that it affects a core web application component that handles user-generated content.
The operational implications of this vulnerability extend beyond simple data theft or defacement. Attackers could leverage this flaw to steal session cookies, redirect users to malicious websites, or inject persistent malicious content that affects all users of the application. The remote nature of the attack means that exploitation can occur without requiring physical access to the system or network, making it particularly dangerous for web applications that serve multiple users. This vulnerability creates a persistent threat vector that could be exploited repeatedly, potentially leading to more severe compromises if the application has additional vulnerabilities or if users have elevated privileges within the system.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and output encoding mechanisms within the hb.cgi script. The recommended approach involves applying the principle of least privilege by ensuring that all user-supplied data is properly escaped before being rendered in web pages. Security patches should be applied immediately to upgrade to version 2.5.0 or later, which contains the necessary fixes for this vulnerability. Organizations should also implement comprehensive web application firewalls and content security policies to provide additional layers of protection against similar attacks. The remediation process should include thorough code review of the affected component to identify any other potential input handling issues that could lead to similar vulnerabilities, aligning with the ATT&CK framework's approach to web application exploitation techniques.