CVE-2007-1340 in News-Letterman
Summary
by MITRE
PHP remote file inclusion vulnerability in eintrag.php in Weltennetz News-Letterman 1.1 allows remote attackers to execute arbitrary PHP code via a URL in the sqllog parameter.
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Analysis
by VulDB Data Team • 08/25/2024
The CVE-2007-1340 vulnerability represents a critical remote file inclusion flaw in the Weltennetz News-Letterman 1.1 web application, specifically within the eintrag.php script. This vulnerability classifies under CWE-88 as a command injection issue where user-supplied input is directly incorporated into system commands without proper sanitization. The flaw manifests when the sqllog parameter receives a URL value that gets processed by the application, creating an avenue for remote attackers to inject and execute malicious PHP code on the target server. The vulnerability stems from the application's failure to validate or sanitize external input before using it in file inclusion operations, which directly violates secure coding practices outlined in the OWASP Top Ten and the SANS Institute's Critical Security Controls.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and passes it through the sqllog parameter in the eintrag.php script. When the application processes this input, it treats the URL as a file path and attempts to include and execute the remote file, effectively allowing arbitrary code execution on the web server. This vulnerability enables attackers to perform a wide range of malicious activities including but not limited to data theft, server compromise, privilege escalation, and establishment of persistent backdoors. The attack vector operates through standard HTTP requests and can be executed without requiring authentication, making it particularly dangerous for publicly accessible web applications. This vulnerability aligns with ATT&CK technique T1190 for exploitation of remote services and T1059 for command and scripting interpreter usage, demonstrating how attackers can leverage such flaws to gain unauthorized access and execute malicious payloads.
The operational impact of CVE-2007-1340 extends beyond immediate code execution capabilities to encompass significant risks for system integrity and data confidentiality. Successful exploitation can result in complete server compromise, allowing attackers to access sensitive information, modify application behavior, or use the compromised server as a launching point for further attacks against internal networks. Organizations running affected versions of Weltennetz News-Letterman face potential data breaches, service disruption, and regulatory compliance violations. The vulnerability's persistence across multiple systems and its ease of exploitation make it particularly attractive to automated attack tools, increasing the likelihood of widespread compromise. Security professionals should consider this vulnerability as a critical threat requiring immediate remediation, as it represents a classic example of how insufficient input validation can lead to catastrophic security consequences. The vulnerability's impact is further amplified by the fact that it affects legacy web applications that may not receive regular security updates, leaving organizations vulnerable to exploitation for extended periods.