CVE-2008-1699 in Writer's Block CMS
Summary
by MITRE
SQL injection vulnerability in permalink.php in Desi Quintans Writer s Block CMS 3.8a allows remote attackers to execute arbitrary SQL commands via the PostID parameter.
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Analysis
by VulDB Data Team • 11/12/2017
The vulnerability identified as CVE-2008-1699 represents a critical SQL injection flaw within the Desi Quintans Writer s Block CMS version 3.8a, specifically affecting the permalink.php script. This vulnerability resides in the handling of user input through the PostID parameter, which is processed without adequate sanitization or validation. The flaw enables remote attackers to inject malicious SQL code directly into the application's database queries, potentially compromising the entire backend system. The vulnerability is classified under CWE-89 which specifically addresses SQL injection weaknesses in software applications, making it a well-documented and dangerous class of vulnerability that has been consistently exploited in various web applications over the years.
The technical exploitation of this vulnerability occurs when an attacker manipulates the PostID parameter in the permalink.php script to inject malicious SQL commands. The application fails to properly escape or validate input data before incorporating it into database queries, creating an entry point for attackers to execute unauthorized database operations. This allows for the potential extraction of sensitive information, modification of database records, or complete database compromise. The attack vector is particularly concerning as it requires no authentication and can be executed remotely, making it accessible to any attacker with knowledge of the application's URL structure. The vulnerability directly impacts the integrity and confidentiality of the CMS data, as demonstrated by the ATT&CK technique T1071.004 which covers application layer protocol manipulation.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive user information. Attackers could potentially gain administrative privileges, modify content, or even use the compromised system as a launching point for further attacks against the network infrastructure. The vulnerability affects not only the specific CMS instance but also poses risks to the broader network environment, as database servers often contain interconnected systems and sensitive organizational data. Organizations running this vulnerable version of Writer s Block CMS face significant risk of data breaches, regulatory compliance violations, and potential legal consequences due to inadequate security controls. The vulnerability demonstrates poor input validation practices and highlights the critical importance of implementing proper parameterized queries and input sanitization measures.
Mitigation strategies for this vulnerability require immediate patching of the affected CMS version to the latest secure release provided by Desi Quintans. Organizations should implement proper input validation and sanitization measures, ensuring that all user-supplied data is properly escaped before database processing. The implementation of prepared statements and parameterized queries should be enforced throughout the application codebase to prevent similar vulnerabilities from occurring. Network segmentation and access controls should be strengthened to limit potential damage from successful exploitation attempts. Security monitoring systems should be enhanced to detect unusual database query patterns that may indicate SQL injection attempts. Additionally, regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities in other application components, aligning with industry best practices outlined in standards such as NIST SP 800-53 and ISO 27001 for information security management.