CVE-2018-0604 in Pixelpost
Summary
by MITRE
Pixelpost v1.7.3 and earlier allows remote code execution via unspecified vectors.
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Analysis
by VulDB Data Team • 02/22/2020
Pixelpost version 1.7.3 and earlier contains a critical remote code execution vulnerability that exposes systems to unauthorized arbitrary code execution. This vulnerability stems from unspecified vectors within the application's codebase, creating potential attack surfaces that malicious actors can exploit without requiring authentication or physical access to the target system. The flaw exists in the application's handling of user-supplied input, particularly in areas where file operations or system command execution might occur. Attackers can leverage this vulnerability to execute malicious code on the affected server, potentially gaining complete control over the system and its resources. The vulnerability's impact extends beyond simple code execution, as it can enable attackers to establish persistent access, exfiltrate sensitive data, or use the compromised system as a launching point for further attacks within the network infrastructure. This type of vulnerability aligns with CWE-74 and CWE-94 categories, which encompass injection flaws and code execution vulnerabilities respectively, and maps to ATT&CK technique T1059.007 for remote code execution through web shells or command injection.
The technical implementation of this vulnerability likely involves improper input validation and sanitization mechanisms within Pixelpost's core components. The unspecified vectors suggest that the flaw could manifest through multiple entry points including file uploads, parameter manipulation, or configuration settings that are processed without adequate security checks. Attackers may exploit this by crafting malicious payloads that bypass normal input filters, potentially using techniques such as file name manipulation, parameter tampering, or exploiting insecure file handling routines. The vulnerability's remote nature means that exploitation can occur from anywhere on the internet, making it particularly dangerous for publicly accessible web applications. Systems running affected versions of Pixelpost are immediately at risk, as the vulnerability does not require privileged access or specific user interactions to be exploited.
Organizations utilizing affected Pixelpost versions face significant operational risks including complete system compromise, data breaches, and potential regulatory compliance violations. The vulnerability can be exploited to install backdoors, modify or delete critical system files, and access sensitive user data stored within the application. Network security teams must consider this vulnerability as a high-priority threat requiring immediate attention and remediation. The impact on business operations can be severe, potentially leading to service disruption, financial losses, and reputational damage. Organizations should implement comprehensive monitoring to detect exploitation attempts and establish incident response procedures to address potential breaches. The vulnerability's classification as remote code execution places it within the most critical severity tier, requiring immediate patching and security hardening measures.
Mitigation strategies for this vulnerability must include immediate patching of all affected Pixelpost installations to version 1.7.4 or later, which contains the necessary security fixes. System administrators should also implement network segmentation to limit access to vulnerable systems and deploy web application firewalls to monitor and filter suspicious requests. Input validation and sanitization should be strengthened throughout the application to prevent malicious payloads from being processed. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other applications. Additionally, organizations should maintain up-to-date vulnerability management processes and ensure that all third-party applications are regularly updated to address known security issues. The remediation process should include thorough testing of patches to ensure they do not introduce regressions while maintaining the application's functionality. Security monitoring should be enhanced to detect anomalous behavior that might indicate exploitation attempts, and access controls should be reviewed to minimize potential attack surfaces.