CVE-2019-6034 in A-Blog CMS
Summary
by MITRE
a-blog cms versions prior to Ver.2.10.23 (Ver.2.10.x), Ver.2.9.26 (Ver.2.9.x), and Ver.2.8.64 (Ver.2.8.x) allows arbitrary scripts to be executed in the context of the application due to unspecified vectors.
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Analysis
by VulDB Data Team • 03/17/2024
This vulnerability affects a-blog cms versions prior to specific patch releases including 2.10.23, 2.9.26, and 2.8.64 across their respective version branches. The flaw enables arbitrary script execution within the application context through unspecified attack vectors that were not fully documented in the initial vulnerability report. This represents a critical security weakness that could allow attackers to execute malicious code on affected systems with the privileges of the web application.
The technical nature of this vulnerability falls under CWE-94, which describes "Improper Control of Generation of Code ('Code Injection')" and aligns with ATT&CK technique T1059.007 for script execution. The unspecified vectors suggest that multiple pathways exist for exploitation, potentially including input validation bypasses, insecure deserialization, or improper handling of user-supplied data. Attackers could leverage this weakness to inject malicious scripts that would execute in the context of the web server, potentially leading to complete system compromise.
The operational impact of this vulnerability is severe as it provides attackers with the ability to execute arbitrary code on vulnerable systems, which could result in data breaches, system compromise, or full denial of service. Organizations running affected versions of a-blog cms face significant risk of unauthorized access, data exfiltration, and potential lateral movement within their network infrastructure. The vulnerability's exploitation could lead to persistent backdoor access and continued unauthorized operations.
Mitigation strategies should include immediate patching to the latest available versions of a-blog cms, specifically versions 2.10.23, 2.9.26, and 2.8.64. Organizations should also implement network segmentation to limit access to affected systems, deploy web application firewalls to monitor for suspicious script execution patterns, and conduct thorough security assessments of their web applications. Additionally, input validation should be strengthened throughout the application to prevent injection attacks, and regular security audits should be performed to identify similar vulnerabilities in other components of the system infrastructure.