CVE-2015-1443 in fli4l
Summary
by MITRE
The httpd package in fli4l before 3.10.1 and 4.0 before 2015-01-30 allows remote attackers to execute arbitrary code.
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Analysis
by VulDB Data Team • 11/10/2019
The vulnerability identified as CVE-2015-1443 represents a critical remote code execution flaw affecting the httpd package within the fli4l software distribution. This issue impacts versions prior to 3.10.1 for fli4l 3.x series and 2015-01-30 for fli4l 4.x series, creating a significant security risk for systems utilizing these versions. The flaw enables remote attackers to execute arbitrary code on affected systems, potentially leading to complete system compromise and unauthorized access to sensitive data or resources.
The technical nature of this vulnerability stems from inadequate input validation and sanitization within the httpd component of fli4l. Attackers can exploit this weakness by crafting malicious HTTP requests that bypass normal security controls and execute unintended commands on the target system. This type of vulnerability typically arises from improper handling of user-supplied data within web server components, allowing attackers to inject and execute malicious payloads through HTTP protocol interactions. The vulnerability aligns with CWE-74, which describes improper neutralization of special elements used in data queries, and CWE-94, which covers improper control of generation of code, both of which are fundamental to remote code execution exploits.
The operational impact of CVE-2015-1443 extends beyond simple code execution, as it provides attackers with persistent access to affected systems. Once exploited, adversaries can establish backdoors, install additional malware, escalate privileges, and potentially use compromised systems as launching points for further attacks within network environments. The vulnerability affects systems where fli4l is deployed as a web server or gateway solution, making it particularly dangerous for network infrastructure devices that rely on this software stack. Organizations running these vulnerable versions face risks of data breaches, system hijacking, and potential regulatory compliance violations due to the severity of the compromise.
Mitigation strategies for CVE-2015-1443 primarily involve upgrading to the patched versions of fli4l 3.10.1 or 2015-01-30 for the 4.x series, which address the underlying input validation issues. System administrators should also implement network segmentation, firewall rules, and intrusion detection systems to limit the attack surface and monitor for exploitation attempts. Additional protective measures include disabling unnecessary web services, implementing web application firewalls, and conducting regular security assessments to identify and remediate similar vulnerabilities. This vulnerability demonstrates the importance of keeping network infrastructure software up to date and following security best practices such as those outlined in the MITRE ATT&CK framework, particularly focusing on the execution and privilege escalation techniques that attackers can leverage through such vulnerabilities. Organizations should also consider implementing automated patch management systems to ensure timely deployment of security updates across their infrastructure.