CVE-2007-5834 in BosNews
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in BosDev BosNews 4 allows remote attackers to inject arbitrary web script or HTML via a SCRIPT element in a news post.
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Analysis
by VulDB Data Team • 09/11/2018
The vulnerability identified as CVE-2007-5834 represents a classic cross-site scripting flaw within the BosDev BosNews 4 content management system, classified under CWE-79 Improper Neutralization of Input During Web Page Generation. This vulnerability exists in the news posting functionality where user input containing script tags is not properly sanitized or escaped before being rendered on web pages. The flaw allows remote attackers to inject malicious client-side scripts into news posts, creating a persistent XSS vector that can compromise user sessions and execute unauthorized actions.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the BosNews 4 application. When administrators or users create news posts containing SCRIPT elements, the system fails to properly filter or escape these potentially malicious inputs. This weakness enables attackers to craft specially crafted news entries that, when viewed by other users, execute arbitrary JavaScript code within their browser context. The vulnerability specifically targets the web application's rendering engine which processes user-generated content without sufficient security controls to prevent script injection.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with a foothold for more sophisticated attacks within the application's user base. An attacker could exploit this vulnerability to steal session cookies, redirect users to malicious websites, deface the news content, or perform actions on behalf of authenticated users. The persistent nature of the vulnerability means that once injected, malicious scripts can affect all users who view the compromised news posts until the malicious content is removed from the database. This creates a significant risk for organizations relying on BosNews 4 for public-facing news dissemination.
From a security framework perspective, this vulnerability aligns with ATT&CK technique T1566.001 Initial Access: Spearphishing Attachment, as attackers could leverage this flaw to deliver malicious payloads through compromised news content. The vulnerability also relates to CWE-79's broader category of web application security issues, specifically targeting the principle of input sanitization. Organizations should implement comprehensive mitigations including input validation, output encoding, and proper content security policies to prevent such vulnerabilities. Additionally, regular security assessments and code reviews should be conducted to identify similar flaws in other web applications, as this type of vulnerability remains prevalent in legacy systems and poorly maintained web applications.
The remediation strategy should involve immediate implementation of proper input sanitization mechanisms, including HTML escaping for all user-generated content, and deployment of web application firewalls to detect and block malicious script injection attempts. Regular security updates and patches should be applied to ensure the application remains protected against known vulnerabilities. Organizations should also establish secure coding practices and conduct regular training for developers to prevent similar issues in future application development cycles, as this vulnerability demonstrates the critical importance of proper input validation in web applications.