CVE-2020-6757 in PixelStor 5000
Summary
by MITRE
contentHostProperties.php in Rasilient PixelStor 5000 K:4.0.1580-20150629 (KDI Version) allows authenticated attackers to remotely execute code via the name parameter.
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Analysis
by VulDB Data Team • 03/20/2024
The vulnerability identified as CVE-2020-6757 affects the Rasilient PixelStor 5000 storage system running version K:4.0.1580-20150629, specifically within the contentHostProperties.php component. This represents a critical remote code execution flaw that enables authenticated attackers to gain unauthorized system access and execute arbitrary commands on the affected device. The vulnerability exists due to insufficient input validation and sanitization within the name parameter processing functionality, creating a pathway for malicious code injection that bypasses normal security controls.
The technical exploitation of this vulnerability occurs through the manipulation of the name parameter in the contentHostProperties.php script, which fails to properly validate or sanitize user-supplied input before processing. This allows an authenticated attacker with legitimate credentials to inject malicious payloads that are then executed within the context of the web application. The flaw 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, making it a direct implementation of code injection vulnerabilities. The attack vector requires authentication but does not necessitate privileged user accounts, making it particularly dangerous in environments where legitimate users may have access to the system.
From an operational perspective, this vulnerability presents significant risk to organizations utilizing Rasilient PixelStor 5000 systems, as it allows for complete system compromise once an attacker obtains valid credentials. The remote execution capability means attackers can potentially establish persistent access, escalate privileges, and exfiltrate sensitive data without requiring physical access to the storage infrastructure. The impact extends beyond immediate system compromise to include potential data loss, service disruption, and unauthorized access to connected network resources. According to ATT&CK framework, this vulnerability maps to T1059.001 (Command and Scripting Interpreter: PowerShell) and T1078 (Valid Accounts) as it leverages legitimate authentication mechanisms to execute malicious commands.
Organizations should immediately implement mitigations including applying available patches from Rasilient, implementing network segmentation to limit access to storage systems, and conducting thorough credential audits to identify and remediate any unauthorized access. Additional defensive measures should include monitoring for suspicious authentication patterns and implementing web application firewalls to detect and block malicious input attempts. The vulnerability demonstrates the importance of proper input validation and output encoding practices in preventing code injection attacks, aligning with industry best practices outlined in OWASP Top Ten and NIST Cybersecurity Framework guidelines. Regular security assessments and vulnerability scanning should be conducted to identify similar flaws in other components of the storage infrastructure and ensure comprehensive protection against similar attack vectors.