CVE-2006-0843 in Web Blog
Summary
by MITRE
Leif M. Wright s Blog 3.5 stores the config file and other txt files under the web root with insufficient access control, which allows remote attackers to read the administrator s password.
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Analysis
by VulDB Data Team • 06/20/2024
The vulnerability described in CVE-2006-0843 represents a critical misconfiguration issue within Leif M. Wright s Blog 3.5 software that fundamentally compromises the security posture of the affected system. This flaw stems from improper file placement and access control mechanisms that allow unauthorized remote actors to gain access to sensitive administrative information. The vulnerability specifically targets the configuration files and text documents that are stored within the web root directory, which is the primary directory from which web servers serve content to users. This misconfiguration creates an exploitable pathway where attackers can directly access files that should remain protected and restricted to authorized personnel only.
The technical implementation of this vulnerability involves the web server's directory structure and file permissions that fail to properly isolate sensitive configuration data from public access. When configuration files containing administrative credentials are stored in the web root directory, they become accessible through standard HTTP requests without proper authentication mechanisms. This represents a classic case of insufficient access control, which maps directly to CWE-284 Access Control Issues as defined by the Common Weakness Enumeration catalog. The flaw demonstrates how improper file placement can bypass fundamental security controls that should prevent unauthorized access to sensitive information.
From an operational impact perspective, this vulnerability enables remote attackers to obtain administrative passwords without requiring any specialized tools or complex exploitation techniques. The immediate consequence is that attackers can assume full administrative control over the blog system, potentially leading to complete compromise of the web server and associated data. This unauthorized access can result in data theft, service disruption, unauthorized modifications to content, and potential use as a foothold for further attacks within the network infrastructure. The vulnerability is particularly dangerous because it requires no authentication credentials to exploit and can be executed from any location with internet connectivity, making it highly attractive to automated attack tools and malicious actors.
The attack surface for this vulnerability extends beyond simple credential theft to encompass broader security implications including potential privilege escalation and lateral movement within compromised networks. According to ATT&CK framework categorization, this vulnerability aligns with T1078 Valid Accounts and T1566 Phishing techniques as attackers can leverage stolen administrative credentials to maintain persistent access and conduct further reconnaissance. The remediation approach must focus on proper file placement and access control implementation, ensuring that sensitive configuration files are stored outside the web root directory and that appropriate permissions are enforced. Organizations should implement regular security audits to identify and remediate similar misconfigurations, while also establishing proper monitoring to detect unauthorized access attempts to sensitive files. The vulnerability underscores the critical importance of principle of least privilege and proper separation of concerns in web application security design.