CVE-2019-6510 in creditease-sec insight
Summary
by MITRE
An issue was discovered in creditease-sec insight through 2018-09-11. user_delete in srcpm/app/admin/views.py allows CSRF.
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Analysis
by VulDB Data Team • 07/02/2023
The vulnerability identified as CVE-2019-6510 represents a critical cross-site request forgery flaw within the creditease-sec insight application framework. This issue exists in the user_delete functionality located within the srcpm/app/admin/views.py file, where the application fails to implement proper anti-CSRF measures. The vulnerability allows authenticated attackers to execute unauthorized administrative actions on behalf of victims by tricking them into visiting malicious web pages that submit requests to the vulnerable application. This particular flaw falls under the CWE-352 category of Cross-Site Request Forgery, which is classified as a serious security weakness in web applications that can lead to unauthorized operations being performed by authenticated users. The vulnerability was present in versions of the application up to and including the 2018-09-11 release, indicating a significant window of exposure for potential attackers.
The technical implementation of this vulnerability stems from the absence of anti-CSRF tokens or validation mechanisms within the user_delete endpoint. When an administrator performs user deletion operations, the application does not verify the authenticity of the request source or validate that the request originated from a legitimate administrative session. This creates an exploitable condition where an attacker can craft malicious web pages or emails containing embedded requests that, when visited by an authenticated administrator, will execute the user deletion functionality without proper authorization. The attack typically involves creating a hidden form submission or javascript-based request that leverages the victim's active session to perform administrative actions. This exploitation technique aligns with the ATT&CK framework's privilege escalation tactics, specifically targeting the T1078 technique for valid accounts usage and T1496 for resource hijacking.
The operational impact of this vulnerability extends beyond simple unauthorized user deletion, as it represents a fundamental breakdown in the application's security controls. An attacker who successfully exploits this CSRF vulnerability can potentially delete user accounts, disrupt service availability, and compromise the integrity of the application's user management system. The severity of this issue increases when considering that the vulnerability affects administrative functionality, meaning that successful exploitation could lead to complete compromise of the application's user management capabilities. Organizations using this software would face significant risks including data loss, service disruption, and potential regulatory compliance violations. The vulnerability also demonstrates poor security hygiene in the application's development lifecycle, as CSRF protection mechanisms are considered fundamental security controls that should be implemented across all administrative endpoints.
Mitigation strategies for this vulnerability should focus on implementing robust anti-CSRF protection measures within the application framework. The most effective approach involves integrating anti-CSRF tokens into all state-changing requests, particularly those involving administrative functions like user deletion. These tokens should be generated per session and validated on the server-side for each request to ensure that the request originated from a legitimate user interaction. Additionally, implementing proper request validation through origin checking and implementing the SameSite cookie attributes can provide additional layers of protection. Organizations should also consider implementing web application firewalls to detect and block suspicious request patterns, along with regular security assessments to identify similar vulnerabilities across other administrative endpoints. The remediation process should include updating to patched versions of the application and conducting comprehensive security testing to ensure that all administrative functions properly implement CSRF protection mechanisms, aligning with industry best practices for secure web application development and the OWASP Top Ten security guidelines for preventing CSRF attacks.