Use of Less Trusted Source

Opis

The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.

Skutki

• Access Control

  Bypass Protection Mechanism; Gain Privileges or Assume Identity

  An attacker could utilize the untrusted data source to bypass protection mechanisms and gain access to sensitive data.

Przykłady podatności

• CVE-2001-0860 Product uses IP address provided by a client, instead of obtaining it from the packet headers, allowing easier spoofing.
• CVE-2004-1950 Web product uses the IP address in the X-Forwarded-For HTTP header instead of a server variable that uses the connecting IP address, allowing filter bypass.
• CVE-2001-0908 Product logs IP address specified by the client instead of obtaining it from the packet headers, allowing information hiding.
• CVE-2006-1126 PHP application uses IP address from X-Forwarded-For HTTP header, instead of REMOTE_ADDR.

Słabość nadrzędna

• CWE-345 Insufficient Verification of Data Authenticity

Kiedy powstaje

• Architecture and Design
• Implementation

Dotyczy

Not Language-Specific, Not Technology-Specific