CVE-2008-6595 in Pmk Rssnewsexport Extension
Summary
by MITRE
SQL injection vulnerability in the pmk_rssnewsexport extension for TYPO3 allows remote attackers to execute arbitrary SQL commands via unspecified vectors.
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Analysis
by VulDB Data Team • 12/08/2017
The CVE-2008-6595 vulnerability represents a critical sql injection flaw within the pmk_rssnewsexport extension for the TYPO3 content management system. This vulnerability exists in the extension's handling of user input parameters that are directly incorporated into sql query constructions without proper sanitization or parameterization. The flaw enables remote attackers to manipulate the sql execution flow by injecting malicious sql code through unspecified input vectors within the extension's functionality.
The technical implementation of this vulnerability stems from improper input validation and query construction practices within the pmk_rssnewsexport extension. When user-supplied data is processed and concatenated directly into sql statements, it creates an opportunity for attackers to inject sql payloads that can alter the intended query behavior. This type of vulnerability falls under the common weakness enumeration category CWE-89 sql injection, which specifically addresses the insertion of malicious sql code into sql queries through untrusted input sources. The vulnerability's remote exploitability means that attackers do not require local system access or authentication to leverage the flaw, making it particularly dangerous in web-facing applications.
The operational impact of this vulnerability extends beyond simple data theft or modification. Successful exploitation could enable attackers to execute arbitrary sql commands on the underlying database server, potentially leading to complete database compromise, data exfiltration, unauthorized privilege escalation, or even system compromise if database accounts have elevated permissions. The vulnerability affects the integrity and confidentiality of all data managed through the affected TYPO3 installation, particularly news content and related metadata that the pmk_rssnewsexport extension processes. This creates a significant risk for organizations relying on TYPO3 for content management, as the vulnerability could be exploited to manipulate published content, steal sensitive information, or establish persistent access points within the web application infrastructure.
Mitigation strategies for CVE-2008-6595 should prioritize immediate patching of the affected TYPO3 extension to the latest secure version that addresses the sql injection vulnerability. Organizations should implement proper input validation and parameterized query construction practices throughout their application codebase, ensuring that all user-supplied data is properly sanitized before being incorporated into sql statements. Network-based protections such as web application firewalls and intrusion detection systems can provide additional layers of defense by monitoring for suspicious sql injection patterns and blocking known malicious payloads. The vulnerability's classification under the attack technique T1071.004 application layer protocol, specifically focusing on web application protocols, indicates that defensive measures should include comprehensive monitoring of http traffic for sql injection attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other extensions or custom code components that may exhibit similar improper sql query construction patterns, as this represents a common security oversight in web application development practices.