CVE-2010-2626 in CGI Tools SEO Links
Summary
by MITRE
index.pl in Miyabi CGI Tools SEO Links 1.02 allows remote attackers to execute arbitrary commands via shell metacharacters in the fn command. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 08/28/2024
The vulnerability identified as CVE-2010-2626 represents a critical command injection flaw within the Miyabi CGI Tools SEO Links version 1.02 software. This issue resides in the index.pl script which processes user input through the fn parameter without adequate sanitization or validation. The vulnerability stems from the improper handling of shell metacharacters, allowing attackers to inject and execute arbitrary system commands on the affected server. Such a flaw fundamentally compromises the integrity and confidentiality of the system, as it provides an attacker with direct execution capabilities within the server environment.
The technical implementation of this vulnerability aligns with CWE-77, which specifically addresses command injection vulnerabilities where untrusted data is incorporated into system commands without proper validation or sanitization. The flaw occurs when the application directly incorporates user-supplied input into shell execution contexts without appropriate escaping or filtering mechanisms. This type of vulnerability is particularly dangerous because it allows attackers to execute any command that the web server process has permission to run, potentially leading to complete system compromise. The use of shell metacharacters such as semicolons, pipes, and backticks in the fn parameter enables attackers to chain commands and escalate privileges.
Operationally, this vulnerability creates significant risk for organizations utilizing the affected Miyabi CGI Tools SEO Links software. Attackers can leverage this flaw to execute malicious commands including but not limited to data exfiltration, system enumeration, privilege escalation, and persistence mechanisms. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the system. This vulnerability directly maps to several ATT&CK techniques including T1059.001 for command and scripting interpreter and T1068 for exploit for privilege escalation. The impact extends beyond immediate command execution to include potential data loss, system corruption, and unauthorized access to sensitive information stored on the compromised server.
Mitigation strategies for CVE-2010-2626 should prioritize immediate patching of the affected software to version 1.03 or later, which contains the necessary input validation fixes. Organizations should implement proper input sanitization by escaping or filtering shell metacharacters from all user-supplied parameters before processing. Additionally, the principle of least privilege should be enforced by running web server processes with minimal necessary permissions. Network-level protections such as web application firewalls and intrusion detection systems can help detect and block exploitation attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other applications. The vulnerability also underscores the importance of keeping third-party software updated and implementing comprehensive security monitoring to detect unauthorized command execution activities.