CVE-2007-2574 in Weblog
Summary
by MITRE
Directory traversal vulnerability in index.php in Archangel Weblog 0.90.02 allows remote attackers to read arbitrary files via a .. (dot dot) in the index parameter.
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Analysis
by VulDB Data Team • 09/11/2024
The vulnerability identified as CVE-2007-2574 represents a critical directory traversal flaw within the Archangel Weblog 0.90.02 content management system. This security weakness resides in the index.php script where user input is not properly sanitized before being processed, creating an opportunity for malicious actors to access files outside the intended directory structure. The vulnerability specifically manifests when the index parameter contains directory traversal sequences such as .. (dot dot) which allows attackers to navigate upward through the file system hierarchy. This type of vulnerability falls under the Common Weakness Enumeration category CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
The technical implementation of this flaw enables remote attackers to exploit the web application by crafting malicious URLs that include directory traversal sequences in the index parameter. When the application processes these requests without adequate input validation or sanitization, it fails to restrict file access to only the intended web root directory. Attackers can leverage this vulnerability to read sensitive files such as configuration files, database credentials, source code files, and other potentially confidential information stored on the server. The impact extends beyond simple information disclosure as it can provide attackers with insights into the application architecture and potentially lead to further exploitation opportunities including privilege escalation or complete system compromise.
From an operational standpoint, this vulnerability presents significant risk to organizations using Archangel Weblog 0.90.02 as it allows unauthenticated remote access to arbitrary files on the server. The attack vector requires no special privileges or authentication, making it particularly dangerous as it can be exploited by anyone with access to the web application. The vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing with Malicious Attachment) as attackers can use this weakness to discover and extract sensitive data from the target system. The potential for data exfiltration and system reconnaissance makes this vulnerability particularly attractive to threat actors seeking to gain intelligence about the target environment.
Mitigation strategies for CVE-2007-2574 should prioritize immediate patching of the affected application to the latest available version that contains proper input validation. Organizations should implement strict input validation and sanitization measures that prevent directory traversal sequences from being processed by the application. The recommended approach includes implementing a whitelist-based validation system that only allows specific, safe file paths to be accessed, combined with proper directory restriction mechanisms that prevent navigation outside the intended web root. Additionally, implementing web application firewalls and security monitoring solutions can help detect and prevent exploitation attempts. According to industry best practices and security standards, this vulnerability should be addressed immediately as it represents a fundamental flaw in input handling that can lead to complete system compromise. Organizations should also conduct comprehensive security assessments to identify similar vulnerabilities in other applications and implement robust access control measures to minimize the impact of such flaws.