CVE-2008-4899 in RateMe
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in Planetluc RateMe 1.3.3 allows remote attackers to perform unauthorized actions as other users via unspecified vectors.
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Analysis
by VulDB Data Team • 10/13/2018
The CVE-2008-4899 vulnerability represents a critical cross-site request forgery flaw discovered in Planetluc RateMe version 1.3.3, a web application component designed for user rating functionality. This vulnerability operates within the fundamental security model of web applications by exploiting the trust relationship between a web browser and a web application, allowing malicious actors to execute unauthorized actions on behalf of legitimate users. The vulnerability specifically affects the application's handling of user sessions and authentication tokens, creating a pathway for attackers to manipulate the application's behavior through crafted requests originating from external domains.
The technical implementation of this CSRF vulnerability stems from the absence of proper validation mechanisms for incoming requests within the Planetluc RateMe application. The flaw manifests when the application fails to verify the origin of requests or validate the presence of anti-CSRF tokens in critical operations. Attackers can exploit this weakness by crafting malicious web pages or email attachments that automatically submit requests to the vulnerable application, leveraging the victim's authenticated browser session to perform actions without their knowledge or consent. This particular vulnerability falls under the CWE-352 category, which specifically addresses Cross-Site Request Forgery weaknesses in web applications, and aligns with the broader ATT&CK framework's T1566 technique for initial access through spearphishing attachments or links.
The operational impact of CVE-2008-4899 extends beyond simple unauthorized access, potentially allowing attackers to manipulate user ratings, modify application settings, or perform other privileged operations depending on the application's functionality. Given that this vulnerability affects a rating system component, attackers could potentially manipulate user reviews, skew application performance metrics, or even influence user behavior through fraudulent rating modifications. The risk is particularly elevated because the vulnerability does not require authentication from the attacker's perspective, as the malicious request leverages the authenticated session of a legitimate user. This creates a significant threat to application integrity and user trust, as unauthorized modifications can occur without detection by either the application administrators or the affected users.
Mitigation strategies for this CSRF vulnerability must focus on implementing robust anti-CSRF protection mechanisms within the Planetluc RateMe application. The most effective approach involves implementing unique, unpredictable tokens for each user session that must be present in every state-changing request, ensuring that requests originating from external domains cannot successfully execute operations within the application. Additionally, the application should implement proper referer header validation and utilize the SameSite cookie attributes to prevent cross-site request execution. Organizations should also consider implementing Content Security Policy headers to limit the sources from which scripts can be loaded, and ensure that all user interactions with the application are validated through proper authentication and authorization checks. The remediation process should include comprehensive code review to identify all potentially vulnerable endpoints and ensure that anti-CSRF measures are consistently applied across all state-changing operations, following established security frameworks and best practices for web application development.