CVE-2006-5834 in Quick.Cms.Lite
Summary
by MITRE
Directory traversal vulnerability in general.php in OpenSolution Quick.Cms.Lite 0.3 allows remote attackers to include arbitrary files via a .. (dot dot) sequence in the sLanguage Cookie parameter.
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Analysis
by VulDB Data Team • 04/27/2026
The vulnerability identified as CVE-2006-5834 represents a critical directory traversal flaw within the OpenSolution Quick.Cms.Lite 0.3 content management system. This vulnerability specifically affects the general.php script and exploits a weakness in how the application processes the sLanguage cookie parameter. The flaw enables remote attackers to manipulate file inclusion mechanisms by inserting .. (dot dot) sequences into the cookie value, potentially allowing unauthorized access to sensitive system files and directories.
This directory traversal vulnerability maps directly to CWE-22, which defines the weakness of improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The vulnerability exists due to insufficient input validation and sanitization of user-supplied data within the cookie parameter. When the application processes the sLanguage cookie value without proper validation, it fails to sanitize or restrict the path components, allowing attackers to navigate outside the intended directory structure.
The operational impact of this vulnerability extends beyond simple file disclosure, as it provides attackers with the capability to execute arbitrary code or access sensitive system information. An attacker could leverage this weakness to include system configuration files, database credentials, or even backdoor scripts that could lead to complete system compromise. The remote nature of the attack means that exploitation does not require local system access or authentication, making it particularly dangerous for web applications exposed to public networks.
From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1566, which covers credential access through the exploitation of vulnerabilities in remote services. The attack chain typically involves reconnaissance to identify the vulnerable application, crafting malicious cookie values with directory traversal sequences, and then executing the attack to gain unauthorized access to system resources. This type of vulnerability often serves as an initial foothold for more extensive attacks within a network infrastructure.
Mitigation strategies for CVE-2006-5834 should focus on implementing proper input validation and sanitization mechanisms. Organizations should immediately patch the vulnerable OpenSolution Quick.Cms.Lite version to the latest available release that addresses this directory traversal issue. Additionally, implementing proper cookie validation, using secure coding practices such as whitelisting acceptable language values, and employing proper file inclusion techniques that prevent path traversal attacks are essential. Network-level protections including web application firewalls and intrusion detection systems can provide additional layers of defense against exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications within the infrastructure.