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The ALG that is part of a CDS must block the transfer of data with malformed security attribute metadata structures.


Overview

Finding ID Version Rule ID IA Controls Severity
V-54491 SRG-NET-000280-ALG-000081 SV-68737r1_rule Medium
Description
Enforcing allowed information flows based on metadata enables simpler and more effective flow control. Metadata is information used to describe the characteristics of data. Metadata can include structural metadata describing data structures (e.g., data format, syntax, and semantics) or descriptive metadata describing data contents (e.g., age, location, telephone number). For cross domain solutions, security attributes are defined as, at a minimum, source and destination address.
STIG Date
Application Layer Gateway Security Requirements Guide 2014-11-03

Details

Check Text ( C-55107r1_chk )
If the ALG is not part of a CDS, this is not applicable.

Verify the ALG is configured to block the transfer of data with malformed security attribute metadata structures.

If the ALG is not configured to block the transfer of data with malformed security attribute metadata structures, this is a finding.
Fix Text (F-59345r1_fix)
If the ALG is part of a CDS, configure the ALG to block the transfer of data with malformed security attribute metadata structures.