CWE-422 — Unprotected Windows Messaging Channel ('Shatter')
CWE-422: Unprotected Windows Messaging Channel ('Shatter')
MITRE CWE weakness
| Kind | Weakness |
| Abstraction | Variant |
| Status | Draft |
| Likelihood of exploit | — |
Description
The product does not properly verify the source of a message in the Windows Messaging System while running at elevated privileges, creating an alternate channel through which an attacker can directly send a message to the product.
Common consequences
- Access Control: Gain Privileges or Assume Identity, Bypass Protection Mechanism
Mitigations
Architecture and Design — Always verify and authenticate the source of the message.
References
- CWE page: https://cwe.mitre.org/data/definitions/422.html
- CWE list: https://cwe.mitre.org/data/index.html