CVE-2007-2420 in Blog
Summary
by MITRE
SQL injection vulnerability in bry.asp in Burak Yilmaz Blog 1.0 allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 07/08/2024
The vulnerability identified as CVE-2007-2420 represents a critical sql injection flaw in the bry.asp script of Burak Yilmaz Blog version 1.0. This security weakness resides in the handling of user-supplied input within the id parameter, creating an exploitable condition that allows remote attackers to manipulate database queries. The vulnerability stems from inadequate input validation and sanitization practices within the web application's backend processing logic. Attackers can leverage this flaw by crafting malicious sql commands through the id parameter, which are then executed against the underlying database system without proper filtering or escaping mechanisms.
The technical implementation of this vulnerability aligns with common sql injection patterns where user input flows directly into sql query construction without appropriate sanitization. The bry.asp script fails to employ parameterized queries or proper input validation techniques, allowing malicious sql payloads to be interpreted as legitimate database commands. This flaw operates at the application layer and can be exploited through http requests containing specially crafted id parameter values. The vulnerability is classified under CWE-89 which specifically addresses sql injection weaknesses in software applications. The attack vector requires no special privileges or authentication, making it particularly dangerous as it can be exploited by any remote attacker with access to the vulnerable web application.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to execute arbitrary sql commands on the database server. Successful exploitation could result in complete database compromise, data exfiltration, unauthorized data modification, or even system escalation attacks. The vulnerability affects the confidentiality, integrity, and availability of the web application's data assets, potentially leading to service disruption and regulatory compliance violations. Organizations using this vulnerable software may face significant security risks including unauthorized access to sensitive user information, application data manipulation, and potential lateral movement within the network infrastructure. This vulnerability represents a classic example of insecure coding practices that violate fundamental security principles outlined in the owasp top ten and can be mapped to attack techniques within the mitre att&ck framework under the execution and credential access domains.
Mitigation strategies for CVE-2007-2420 should prioritize immediate patching of the vulnerable application to the latest secure version. Organizations must implement proper input validation and sanitization measures including parameterized queries, stored procedures, and proper sql escaping mechanisms. The application should enforce strict input filtering to reject or escape special sql characters and patterns. Additionally, implementing web application firewalls and input validation controls at the network perimeter can provide additional defense layers. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. System administrators should also consider implementing database access controls and monitoring mechanisms to detect unusual sql query patterns. The remediation process should follow established security frameworks including secure coding guidelines and vulnerability management protocols to prevent similar issues from occurring in future software development cycles.