CVE-2006-2615 in Russcom.Ping
Summary
by MITRE
ping.php in Russcom.Ping allows remote attackers to execute arbitrary commands via shell metacharacters in the domain parameter.
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Analysis
by VulDB Data Team • 09/06/2017
The vulnerability identified as CVE-2006-2615 resides within the ping.php script of the Russcom.Ping application, representing a critical command injection flaw that enables remote attackers to execute arbitrary system commands on the affected server. This vulnerability stems from insufficient input validation and sanitization of the domain parameter, which is directly incorporated into system commands without proper escaping or filtering mechanisms. The flaw allows malicious actors to inject shell metacharacters that are interpreted by the underlying operating system, potentially granting full control over the server's execution environment. The vulnerability classifies under CWE-77 as a command injection weakness, where user-supplied data is improperly handled in the context of command execution. Attackers can leverage this vulnerability to perform various malicious activities including but not limited to executing system commands, accessing sensitive files, establishing backdoors, or conducting further reconnaissance within the compromised network environment.
The operational impact of this vulnerability extends beyond simple unauthorized command execution, as it fundamentally compromises the integrity and confidentiality of the affected system. When an attacker successfully exploits this flaw, they gain the ability to manipulate the server as if they were authenticated system administrators, potentially leading to complete system compromise. The vulnerability affects the availability of services since attackers can execute commands that may disrupt normal operations or cause system instability. Furthermore, the attack surface is broad as the vulnerability can be exploited through various means including web browser access, automated scanning tools, or social engineering techniques that诱导 users to trigger the vulnerable script. The exploitation process typically involves crafting malicious input containing shell metacharacters such as semicolons, ampersands, or pipe operators that are then executed by the system shell. This vulnerability is particularly dangerous because it does not require authentication or specialized privileges to exploit, making it a prime target for automated attacks and mass exploitation campaigns.
Mitigation strategies for CVE-2006-2615 must address both immediate remediation and long-term security hardening measures. The most effective immediate fix involves implementing proper input validation and sanitization techniques, specifically ensuring that all user-supplied input is properly escaped or filtered before being used in system command contexts. Organizations should implement proper parameter validation that rejects or encodes potentially dangerous characters, particularly those used in shell metacharacters such as semicolons, ampersands, pipes, and backticks. The implementation of secure coding practices including the use of safe system call functions that do not rely on shell interpretation is essential. Additionally, the principle of least privilege should be enforced by running the affected application with minimal required permissions and ensuring proper access controls are in place. Network segmentation and intrusion detection systems can provide additional layers of defense by monitoring for suspicious command execution patterns and unusual network traffic. Security professionals should also consider implementing web application firewalls that can detect and block malicious payloads targeting command injection vulnerabilities. According to ATT&CK framework, this vulnerability maps to T1059.001 for command and scripting interpreter with shell commands, and T1068 for exploit for privilege escalation. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other applications and ensure that input validation mechanisms are properly implemented across the entire application stack. The vulnerability also highlights the importance of keeping applications updated and patched, as this flaw would likely be addressed through proper software maintenance and security updates.