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high·Product Based Web Vulnerabilities·Updated Mar 27, 2025

AspCMS Information Disclosure Scanner

Detects 'Information Disclosure' vulnerability in AspCMS.

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsdomain, subdomain, ipv4
CostFree
2.8k
Times Used
continuous scan runs
3.4k
Continuously Checked
assets under CS
24
Vulnerabilities Found
confirmed findings
Detail

The AspCMS platform is used by developers and businesses for content management across diverse websites, particularly for small to medium-sized enterprises. It's known for being lightweight and easy to implement on Windows servers. As an open-source CMS, it’s often customized by developers to fit specific website requirements. The platform handles a range of content types, making it a versatile tool for website management. However, issues such as information disclosure vulnerabilities can pose significant risks if not properly managed. A proactive approach to security is essential for those utilizing AspCMS in their web infrastructure.

The information disclosure vulnerability in AspCMS arises from improper handling of database files, leading to potential data exposure. This flaw occurs because the database files, renamed with a '#' character, can be bypassed with URL encoding. Such flaws are critical as they can expose sensitive data, compromising the entire system's integrity. By exploiting this vulnerability, attackers can access sensitive information, which should otherwise remain confidential and secure. Incorporating security best practices is necessary to prevent such vulnerabilities. Regular security patches and audits can help maintain a more secure platform environment.

The technical core of the vulnerability lies in the way AspCMS handles its database files and the server's URL parsing capabilities. By default, database files in AspCMS may be renamed with a '#' character. However, by encoding this character as '%23', attackers can bypass the protection and access these files directly through URLs. This improper configuration opens up the system to unauthorized access paths, allowing attackers to retrieve sensitive information such as database contents. The problem is compounded when older versions are used without applying the latest security patches.

If exploited, this vulnerability could lead to significant data breaches, where sensitive user information, configuration details, and other confidential data are exposed. Such breaches can result in financial loss, reputational damage, and legal consequences for affected organizations. Furthermore, once exposed, this data can be used for further attacks, including user impersonation and the spread of malware. It's crucial that users of AspCMS urgently address this issue to safeguard their systems against unauthorized access and potential abuse.

Solution Advice
  • Users should obtain the latest patch or version from the official website.
  • Remove sensitive information from pages, cookies, or cache, or delete pages containing leaked information.
  • Encrypt sensitive information storage, and avoid sending to the frontend unless necessary.
  • Encrypt sensitive information during transmission, applying data masking when needed.
  • Do not use self-developed encryption algorithms; use only public, secure standard encryption algorithms.
  • Prohibit logging sensitive data in plaintext (passwords, session IDs like jsessionid, etc.) to prevent information leakage.
  • Disable caching for web pages containing sensitive data to prevent information leakage or data cross-contamination through proxy servers.
  • Implement strict authentication for necessary sensitive data transmissions or page request interfaces.

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AspCMS Information Disclosure Scanner | S4E