CVE-2005-1932 in Lpanel
Summary
by MITRE
Lpanel 1.59 and earlier, and other versions before 1.597, allows remote authenticated users to modify certain critical variables and (1) modify DNS settings for arbitrary domains via the domain parameter to diagnose.php, (2) close, open, or respond to arbitrary support tickets via the close, open, or pid parameter to view_ticket.php, (3) obtain sensitive information on arbitrary invoices via the inv parameter to viewreceipt.php, or (4) modify domain information for arbitrary domains via the editdomain parameter to domains.php.
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Analysis
by VulDB Data Team • 07/09/2018
This vulnerability resides in lpanel version 1.59 and earlier, as well as other versions prior to 1.597, representing a critical authorization flaw that permits authenticated remote attackers to manipulate sensitive system components through multiple entry points. The vulnerability stems from insufficient input validation and access control mechanisms within several key php scripts that handle administrative functions. Attackers who have gained legitimate authentication credentials can exploit these weaknesses to perform unauthorized modifications across different system domains, effectively bypassing intended security boundaries.
The technical implementation of this vulnerability manifests through four distinct attack vectors that collectively demonstrate a severe lack of parameter validation and privilege enforcement. The first vector targets diagnose.php where the domain parameter allows attackers to modify DNS settings for any domain within the system scope, effectively enabling DNS poisoning or domain hijacking attacks. The second vector operates through view_ticket.php using close, open, or pid parameters that permit manipulation of support ticket states, potentially allowing attackers to hide malicious activities or escalate privileges by creating false support requests. The third vector in viewreceipt.php utilizes the inv parameter to access sensitive invoice information for any invoice number, violating data confidentiality requirements. The fourth vector through domains.php employs the editdomain parameter to modify domain information across arbitrary domains, representing a direct threat to domain management integrity.
From an operational impact perspective, this vulnerability creates a comprehensive attack surface that allows an authenticated attacker to compromise multiple system functions simultaneously. The ability to modify DNS settings enables attackers to redirect traffic to malicious servers, while support ticket manipulation can be used to cover up malicious activities or create false incidents. The invoice information disclosure provides attackers with financial data that could be used for further targeting or financial fraud. Domain information modification capabilities can lead to complete domain compromise and potential network infiltration. This vulnerability directly violates the principle of least privilege and demonstrates inadequate input sanitization practices that have been documented in various security frameworks including the CWE-284 access control weakness category.
The exploitation of this vulnerability aligns with several tactics described in the mitre attack framework, particularly those related to privilege escalation and persistence within target environments. Attackers can leverage these capabilities to maintain long-term access while covering their tracks through support ticket manipulation and invoice data theft. The vulnerability also represents a significant concern from a compliance standpoint, as it could lead to violations of data protection regulations and industry standards such as pci dss requirements for proper access controls and data protection. Organizations implementing lpanel or similar management interfaces must consider these attack vectors when conducting security assessments and risk analysis.
Recommended mitigations include immediate implementation of proper input validation and parameter sanitization across all vulnerable scripts, enforcement of strict access controls and privilege verification for all administrative functions, and implementation of comprehensive logging for all administrative activities. The affected software versions should be upgraded to 1.597 or later where these vulnerabilities have been addressed. Additionally, organizations should implement network segmentation and monitoring of administrative activities to detect anomalous behavior patterns that may indicate exploitation attempts. Regular security audits and penetration testing should be conducted to identify similar authorization flaws in other system components, as this vulnerability demonstrates a pattern of insufficient access control implementation that could exist in other parts of the application stack.