CVE-2017-10844 in BaserCMS
Summary
by MITRE
baserCMS 3.0.14 and earlier, 4.0.5 and earlier allows an attacker to execute arbitrary PHP code on the server via unspecified vectors.
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Analysis
by VulDB Data Team • 11/11/2019
The vulnerability identified as CVE-2017-10844 affects baserCMS versions 3.0.14 and earlier, as well as 4.0.5 and earlier, representing a critical remote code execution flaw that enables attackers to execute arbitrary PHP code on affected servers. This vulnerability stems from insufficient input validation and sanitization mechanisms within the CMS framework, creating a pathway for malicious actors to inject and execute malicious code remotely without authentication. The unspecified vectors suggest that the flaw could be exploited through multiple entry points within the application's processing logic, potentially including file upload functionalities, parameter handling, or configuration management components. Such vulnerabilities are particularly dangerous as they allow attackers to gain full control over the affected server, potentially leading to data breaches, service disruption, or further lateral movement within compromised networks.
The technical nature of this vulnerability aligns with CWE-94, which describes the execution of arbitrary code or commands, and represents a classic example of a code injection vulnerability that can be exploited to bypass security controls and execute malicious payloads. From an operational perspective, this flaw presents a severe risk to organizations using baserCMS, as it provides attackers with the capability to establish persistent backdoors, exfiltrate sensitive data, or deploy additional malware. The vulnerability's impact extends beyond immediate code execution to include potential privilege escalation, system compromise, and the ability to use the compromised server as a launch point for attacks against other systems within the network infrastructure. Attackers may leverage this vulnerability to gain unauthorized access to databases, modify content, or even take complete control of the web server hosting the vulnerable application.
Organizations affected by this vulnerability should implement immediate mitigations including applying the latest available patches from the baserCMS development team, implementing web application firewalls to monitor and block suspicious requests, and conducting thorough security assessments of all web applications. Network segmentation and access control measures should be strengthened to limit potential lateral movement if exploitation occurs. Additionally, organizations should consider implementing automated vulnerability scanning tools to detect similar issues across their infrastructure and establish incident response procedures specifically designed to address remote code execution vulnerabilities. The remediation process should include comprehensive testing to ensure that patches do not introduce regressions in application functionality while maintaining the security posture of the entire web application ecosystem. Security monitoring should be enhanced to detect anomalous code execution patterns that may indicate exploitation attempts.