CVE-2007-1790 in Auction Software
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in Kaqoo Auction Software Free Edition allow remote attackers to execute arbitrary PHP code via a URL in the install_root parameter to (1) support.inc.php, (2) function.inc.php, (3) rdal_object.inc.php, (4) rdal_editor.inc.php. (5) login.inc.php, (6) request.inc.php, and (7) categories.inc.php in include/core/; (8) save.inc.php, (9) preview.inc.php, (10) edit_item.inc.php, (11) new_item.inc.php, and (12) item_info.inc.php in include/display/item/; (13) search.inc.php, (14) item_edit.inc.php, (15) register_succsess.inc.php, (16) context_menu.inc.php, (17) item_repost.inc.php, (18) balance.inc.php, (19) featured.inc.php, (20) user.inc.php, (21) buynow.inc.php, (22) install_complete.inc.php, (23) fees_info.inc.php, (24) user_feedback.inc.php, (25) admin_balance.inc.php, (26) activate.inc.php, (27) user_info.inc.php, (28) member.inc.php, (29) add_bid.inc.php, (30) items_filter.inc.php, (31) my_info.inc.php, (32) register.inc.php, (33) leave_feedback.inc.php, and (34) user_auctions.inc.php in include/display/; and (35) design/form.inc.php, (36) processor.inc.php, (37) interfaces.inc.php (38) left_menu.inc.php, (39) login.inc.php, and (40) categories.inc.php in include/.
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Analysis
by VulDB Data Team • 09/02/2024
The vulnerability described in CVE-2007-1790 represents a critical remote file inclusion flaw affecting Kaqoo Auction Software Free Edition, which operates under the broader category of insecure direct object references and improper input validation. This vulnerability stems from the software's failure to properly validate user-supplied input parameters, specifically the install_root parameter, which is processed through multiple include statements across various script files. The flaw allows remote attackers to inject arbitrary URLs that are then included and executed as PHP code, effectively creating a remote code execution vector that bypasses normal application security controls.
The technical implementation of this vulnerability leverages PHP's include functionality, where the application constructs file paths using user-provided data without adequate sanitization or validation. When an attacker supplies a malicious URL in the install_root parameter, the application treats this input as a legitimate file path and attempts to include it, executing any PHP code contained within the remote resource. This vulnerability affects 40 distinct include files across multiple directories including include/core/, include/display/item/, and include/display/, demonstrating the widespread nature of the flawed input handling mechanism. The vulnerability is classified under CWE-88 due to improper neutralization of argument delimiters in a command, and it directly maps to ATT&CK technique T1190 for exploiting vulnerabilities in web applications.
The operational impact of this vulnerability is severe, as it provides attackers with complete control over the affected web server environment. Remote code execution capabilities enable malicious actors to install backdoors, exfiltrate sensitive data, modify database contents, or use the compromised server as a launch point for further attacks against the internal network. The vulnerability affects the core functionality of the auction software, potentially compromising user accounts, auction data, and financial transaction records. Given that this vulnerability affects multiple include files across different functional areas of the application, the attack surface is extensive and the potential for data compromise is significant.
Mitigation strategies for this vulnerability require immediate implementation of input validation and sanitization measures, including the removal of user-controllable parameters from include statements and the adoption of whitelisting approaches for file inclusion. Organizations should implement proper parameter validation to ensure that only trusted and expected values are accepted for the install_root parameter. Additionally, the application should be updated to use absolute paths for include statements rather than dynamic user-controllable inputs. The vulnerability highlights the importance of following secure coding practices and adhering to the principle of least privilege in web application development. Regular security audits and input validation testing should be implemented to prevent similar vulnerabilities from occurring in future software releases, with particular attention to the handling of user-supplied data in file inclusion contexts.