Weakness · High
CWE-422: Unprotected Windows Messaging Channel ('Shatter')
What it is
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.
- Severity (our rating)
- High
- Likelihood of exploit
- Not rated by MITRE
- Introduced during
- Architecture and Design
- Exploited in the wild
- No CVE in CISA's catalog
What an attacker can do
- Gain Privileges or Assume Identity (Access Control)
- Bypass Protection Mechanism (Access Control)
How to prevent it
Architecture and Design
- Always verify and authenticate the source of the message.
H2 Security
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Start freeSource: MITRE Common Weakness Enumeration, CWE version 4.19.1. CWE is a trademark of The MITRE Corporation.