CWE-69—Improper Handling of Windows ::DATA Alternate Data Stream

Weakness Name

Improper Handling of Windows ::DATA Alternate Data Stream

Description

The product does not properly prevent access to, or detect usage of, alternate data streams (ADS).

An attacker can use an ADS to hide information about a file (e.g. size, the name of the process) from a system or file browser tools such as Windows Explorer and 'dir' at the command line utility. Alternately, the attacker might be able to bypass intended access restrictions for the associated data fork.

Common Consequences

Scope:

Access Control, Non-Repudiation, Other

Impact:

Bypass Protection Mechanism, Hide Activities, Other

Related Weaknesses

• CWE-66Improper Handling of File Names that Identify Virtual Resources