CVE-2014-8708 in Pluck
Summary
by MITRE
Pluck CMS 4.7.2 allows remote attackers to execute arbitrary code via the blog form feature.
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Analysis
by VulDB Data Team • 09/09/2020
The vulnerability identified as CVE-2014-8708 affects Pluck CMS version 4.7.2 and represents a critical remote code execution flaw that can be exploited by attackers without authentication. This vulnerability specifically targets the blog form feature within the content management system, creating a pathway for malicious actors to inject and execute arbitrary code on the affected server. The flaw stems from inadequate input validation and sanitization mechanisms within the blog submission functionality, allowing attackers to manipulate form parameters and potentially gain full control over the web server hosting the CMS.
The technical implementation of this vulnerability involves the improper handling of user-supplied data within the blog form processing logic. When users submit blog entries through the web interface, the application fails to properly validate or sanitize the input parameters, particularly those related to file uploads or form field values. This lack of proper sanitization creates an environment where malicious payloads can be executed directly on the server, bypassing normal security controls and authentication mechanisms. The vulnerability can be exploited through various vectors including file upload functionality, parameter manipulation, or injection techniques that leverage the insufficient validation in place.
From an operational perspective, the impact of CVE-2014-8708 is severe and potentially catastrophic for affected organizations. Successful exploitation allows attackers to execute arbitrary commands with the privileges of the web server process, which typically runs with elevated permissions on the hosting system. This can lead to complete system compromise, data exfiltration, service disruption, and potential lateral movement within network environments. The vulnerability affects organizations using Pluck CMS 4.7.2 and similar vulnerable versions, making it a widespread concern for content management systems that have not been properly updated or patched. Organizations may experience unauthorized access to sensitive data, modification of web content, and potential use of compromised systems as launch points for further attacks.
The vulnerability aligns with CWE-94, which describes improper control of generation of code, and relates to the broader category of code injection vulnerabilities. This weakness is also categorized under ATT&CK technique T1059, which covers command and script injection, specifically targeting remote code execution capabilities. Organizations should implement immediate mitigations including applying the vendor-provided patches, disabling unnecessary functionality, and implementing web application firewalls to detect and block malicious requests. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications and systems. The remediation process requires careful attention to input validation mechanisms and proper sanitization of all user-supplied data before processing within the application environment.
This vulnerability demonstrates the critical importance of proper input validation in web applications and highlights how seemingly minor functionality flaws can create significant security risks. The impact extends beyond immediate code execution capabilities to encompass potential data breaches, service availability issues, and long-term system compromise that can persist for extended periods without detection. Organizations should prioritize updating their CMS installations and implementing comprehensive security controls to prevent exploitation of similar vulnerabilities in their web applications and infrastructure.