CVE-2018-0509 in kkcald
Summary
by MITRE
Cross-site request forgery (CSRF) vulnerability in epg search result viewer (kkcald) 0.7.21 and earlier allows an attacker to hijack the authentication of administrators via unspecified vectors.
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Analysis
by VulDB Data Team • 12/31/2019
The CVE-2018-0509 vulnerability represents a critical cross-site request forgery flaw discovered in the epg search result viewer component known as kkcald version 0.7.21 and earlier. This vulnerability specifically targets administrative authentication mechanisms within the system, creating a significant security risk for organizations relying on this component for electronic program guide functionality. The flaw enables malicious actors to exploit the trust relationship between the web application and authenticated administrators, potentially leading to unauthorized administrative actions and complete system compromise.
This CSRF vulnerability operates by tricking administrators into executing unintended actions through maliciously crafted requests that appear to originate from legitimate sources. The unspecified vectors mentioned in the description suggest that the attack could be delivered through various means including email attachments, compromised websites, or social engineering tactics that诱导 administrators to click on malicious links. The vulnerability exists within the authentication flow where the system fails to properly validate the origin of requests, allowing attackers to leverage the administrator's active session to perform privileged operations without proper authorization.
The operational impact of this vulnerability extends beyond simple data theft or modification, as it provides attackers with administrative privileges that could enable complete system takeover. An attacker exploiting this vulnerability could potentially modify system configurations, add or remove users, access sensitive data, or even install malicious software on the affected system. The administrative hijacking capability creates a persistent threat vector that remains active as long as the administrator's session remains valid, making this vulnerability particularly dangerous for systems where administrative access is frequently used.
Organizations should immediately implement multiple layers of defense to mitigate this vulnerability. The primary mitigation involves implementing robust anti-CSRF token mechanisms that validate the authenticity of requests through unique tokens generated for each user session. This approach aligns with CWE-352, which specifically addresses cross-site request forgery vulnerabilities and recommends the implementation of anti-CSRF tokens as a primary defense mechanism. Additionally, organizations should implement proper referer header validation, implement Content Security Policy headers, and ensure that administrative actions require explicit user confirmation through secondary authentication methods. The mitigation strategies should also include regular security updates and patch management processes to ensure that all components remain protected against known vulnerabilities.
From an operational security perspective, this vulnerability demonstrates the critical importance of maintaining up-to-date security controls and implementing comprehensive monitoring for suspicious administrative activities. The ATT&CK framework categorizes this type of vulnerability under privilege escalation techniques, where attackers leverage application flaws to gain elevated privileges. Organizations should establish incident response procedures specifically designed to detect and respond to CSRF attacks, including monitoring for unusual administrative activities and implementing automated alerting systems. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities across the entire application stack, ensuring that the security posture remains resilient against evolving attack vectors.