CVE-2022-38400 in Mailform Pro Cgi
Summary
by MITRE • 09/08/2022
Mailform Pro CGI 4.3.1 and earlier allow a remote unauthenticated attacker to obtain the user input data by having a use of the product to access a specially crafted URL.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 10/14/2022
The vulnerability identified as CVE-2022-38400 affects Mailform Pro CGI versions 4.3.1 and earlier, representing a critical information disclosure flaw that enables remote attackers to access sensitive user input data without authentication. This vulnerability stems from improper access controls within the application's handling of specially crafted URLs, which allows unauthorized individuals to retrieve form submission data that should otherwise remain protected. The flaw exists in the web application's parameter validation mechanisms, where input data is processed and stored in a manner that does not adequately verify user permissions or authentication status before exposing sensitive information.
The technical implementation of this vulnerability involves the application's failure to properly sanitize or validate URL parameters that are used to access stored form data. When a user submits a form through Mailform Pro CGI, the application typically stores this information in a database or file system and generates unique identifiers or access tokens for retrieval. However, the vulnerability occurs when the application fails to validate whether the requesting user has legitimate authorization to access specific data records. This weakness creates an information disclosure scenario where any remote attacker can construct malicious URLs that bypass normal access controls and retrieve user-submitted data.
From an operational perspective, this vulnerability presents significant risks to organizations using Mailform Pro CGI for handling sensitive data submissions. The impact extends beyond simple data exposure to encompass potential privacy violations, regulatory compliance issues, and reputational damage. Attackers could exploit this flaw to access personal information, business data, or other confidential submissions that users expect to remain private. The vulnerability's remote nature means that attackers do not require physical access to systems or network credentials to exploit the flaw, making it particularly dangerous for web applications that process sensitive information.
The vulnerability aligns with CWE-200, which addresses "Information Exposure," and represents a classic case of inadequate input validation and access control mechanisms. From an attack framework perspective, this vulnerability maps to ATT&CK technique T1213.002 for Data from Information Repositories, as it allows unauthorized access to stored data through web application interfaces. The flaw also relates to T1566.001 for Phishing, since attackers could potentially use this vulnerability to harvest sensitive information from legitimate users who submit forms through the vulnerable application. Organizations implementing this software may face compliance violations under regulations such as gdpr, hipaa, or pci dss that mandate proper data protection measures.
Mitigation strategies for CVE-2022-38400 should focus on implementing proper authentication and authorization controls for all data access points. Organizations must upgrade to versions of Mailform Pro CGI that address this vulnerability, as the software vendor has likely released patches or updates to resolve the access control issues. Additionally, implementing input validation controls, access logging, and monitoring for unusual data access patterns can help detect exploitation attempts. Network segmentation and web application firewalls can provide additional protection layers, while regular security assessments should be conducted to identify similar vulnerabilities in other applications. The remediation process should include thorough testing of access controls to ensure that all data retrieval mechanisms properly validate user credentials and permissions before exposing sensitive information.