CVE-2007-3082 in sendcard
Summary
by MITRE
Directory traversal vulnerability in sendcard.php in Sendcard 3.4.1 and earlier allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the sc_language parameter.
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Analysis
by VulDB Data Team • 09/20/2024
The vulnerability identified as CVE-2007-3082 represents a critical directory traversal flaw affecting the Sendcard 3.4.1 software and earlier versions. This issue resides within the sendcard.php script where improper input validation allows malicious actors to manipulate the sc_language parameter through directory traversal sequences using double dots. The vulnerability stems from insufficient sanitization of user-supplied input that directly influences file inclusion operations, creating an avenue for attackers to access arbitrary local files on the server hosting the vulnerable application.
This directory traversal vulnerability maps to CWE-22 in the Common Weakness Enumeration catalog, specifically classified as "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')". The flaw enables attackers to bypass normal access controls and potentially execute arbitrary code or retrieve sensitive information from the server filesystem. The vulnerability operates by exploiting the lack of proper input validation and sanitization in the file inclusion mechanism, allowing attackers to manipulate the sc_language parameter to navigate up directory structures and access files outside the intended directory scope.
The operational impact of this vulnerability is severe as it provides remote attackers with the capability to include and execute arbitrary local files on the target system. Successful exploitation could lead to complete system compromise, data exfiltration, or further lateral movement within the network. Attackers could leverage this vulnerability to access configuration files, database credentials, or other sensitive system files that should remain protected from unauthorized access. The remote nature of the attack means that an attacker does not need physical access to the system or local network privileges to exploit this vulnerability, making it particularly dangerous in web-facing applications.
Mitigation strategies for CVE-2007-3082 should focus on implementing proper input validation and sanitization techniques to prevent directory traversal attacks. The recommended approach includes implementing strict parameter validation that rejects or filters out directory traversal sequences such as "..", "%2e%2e", or similar encoded variations. Organizations should also apply the latest security patches provided by the software vendor, as this vulnerability was addressed in subsequent releases of Sendcard. Additional protective measures include restricting file inclusion operations to predefined safe directories, implementing proper access controls, and using secure coding practices that avoid direct user input in file path construction. The vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter and T1566.001 for Phishing, as attackers may use this vulnerability as part of broader attack chains to establish persistent access or escalate privileges within compromised systems.