CVE-2005-0461 in NewsBruiser
Summary
by MITRE
Unknown vulnerability in NewsBruiser 2.x before 2.6.1 allows remote attackers to "take actions on comments."
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 07/22/2017
The vulnerability identified as CVE-2005-0461 affects NewsBruiser 2.x versions prior to 2.6.1, representing a critical security flaw that enables remote attackers to manipulate comment-related functionalities within the application. This issue falls under the category of unauthorized access and privilege escalation vulnerabilities, where attackers can exploit weaknesses in the authentication and authorization mechanisms to perform actions they should not be permitted to execute. The affected system operates as a news aggregation and commenting platform, making it a potential target for malicious actors seeking to disrupt content management or deface web pages through unauthorized comment modifications.
The technical implementation of this vulnerability stems from inadequate input validation and insufficient access controls within the comment handling subsystem of NewsBruiser. Attackers can leverage this weakness to submit malicious requests that bypass normal authentication checks, allowing them to modify, delete, or create comments without proper authorization. This flaw typically manifests through improper session management, lack of proper user privilege verification, or insufficient sanitization of user-supplied data in comment-related parameters. The vulnerability is classified under CWE-284, which addresses improper access control, and represents a direct violation of the principle of least privilege that should govern all web application components.
The operational impact of CVE-2005-0461 extends beyond simple comment manipulation, as it provides attackers with a foothold for more extensive system compromise. Remote attackers can exploit this vulnerability to inject malicious content into comment sections, potentially leading to cross-site scripting attacks or serving as a stepping stone for further exploitation. The ability to "take actions on comments" opens pathways for defacement, spamming, or even the insertion of malicious code that could affect other users interacting with the platform. This vulnerability also undermines the integrity and trustworthiness of user-generated content, which is fundamental to the platform's functionality and user experience.
Mitigation strategies for this vulnerability require immediate implementation of security patches and updates to NewsBruiser version 2.6.1 or later, which address the underlying access control flaws. System administrators should implement proper input validation and sanitization measures to prevent unauthorized comment modifications, while also establishing robust session management protocols. The fix typically involves strengthening authentication checks, implementing proper authorization controls, and ensuring that all user actions on comment-related functionality are properly verified against user permissions. Organizations should also consider implementing web application firewalls, monitoring for suspicious comment activity, and conducting regular security assessments to identify similar vulnerabilities in their web applications. This vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and T1566 which covers credential harvesting, demonstrating how such flaws can enable broader compromise scenarios.