{"@ID": "1105", "@Name": "Insufficient Encapsulation of Machine-Dependent Functionality", "@Abstraction": "Base", "@Structure": "Simple", "@Status": "Incomplete", "Description": "The product or code uses machine-dependent functionality, but\n\t\t\t\t\tit does not sufficiently encapsulate or isolate this functionality from\n\t\t\t\t\tthe rest of the code.", "Related_Weaknesses": {"Related_Weakness": [{"@Nature": "ChildOf", "@CWE_ID": "758", "@View_ID": "1000", "@Ordinal": "Primary"}, {"@Nature": "ChildOf", "@CWE_ID": "1061", "@View_ID": "1000"}]}, "Weakness_Ordinalities": {"Weakness_Ordinality": {"Ordinality": "Indirect"}}, "Applicable_Platforms": {"Language": {"@Class": "Not Language-Specific", "@Prevalence": "Undetermined"}}, "Modes_Of_Introduction": {"Introduction": [{"Phase": "Implementation"}, {"Phase": "Porting"}]}, "Common_Consequences": {"Consequence": {"Scope": "Other", "Impact": "Reduce Maintainability", "Note": "This issue makes it more difficult to port or maintain the product, which indirectly affects security by making it more difficult or time-consuming to find and/or fix vulnerabilities.  It also might make it easier to introduce vulnerabilities."}}, "Detection_Methods": {"Detection_Method": {"@Detection_Method_ID": "DM-14", "Method": "Automated Static Analysis", "Description": "Automated static analysis, commonly referred to as Static Application Security Testing (SAST), can find some instances of this weakness by analyzing source code (or binary/compiled code) without having to execute it. Typically, this is done by building a model of data flow and control flow, then searching for potentially-vulnerable patterns that connect \"sources\" (origins of input) with \"sinks\" (destinations where the data interacts with external components, a lower layer such as the OS, etc.)"}}, "Demonstrative_Examples": {"Demonstrative_Example": {"@Demonstrative_Example_ID": "DX-216", "Intro_Text": "In this example function, the memory address of variable b is derived by adding 1 to the address of variable a. This derived address is then used to assign the value 0 to b.", "Example_Code": {"@Nature": "Bad", "@Language": "C", "xhtml:div": {"xhtml:div": {"@style": "margin-left:1em;", "xhtml:br": [null, null], "#text": "char a;char b;*(&a + 1) = 0;"}, "#text": "void example() {}"}, "#text_blocks": ["void example() {", "char a;", "char b;", "*(&a + 1) = 0;", "}"]}, "Body_Text": "Here, b may not be one byte past a. It may be one byte in front of a. Or, they may have three bytes between them because they are aligned on 32-bit boundaries."}}, "References": {"Reference": {"@External_Reference_ID": "REF-963"}}, "Mapping_Notes": {"Usage": "Prohibited", "Rationale": "This entry is primarily a quality issue with no direct security implications.", "Comments": "Look for weaknesses that are focused specifically on insecure behaviors that have more direct security implications.", "Reasons": {"Reason": {"@Type": "Other"}}}, "Content_History": {"Submission": {"Submission_Name": "CWE Content Team", "Submission_Organization": "MITRE", "Submission_Date": "2018-07-02", "Submission_Version": "3.2", "Submission_ReleaseDate": "2019-01-03", "Submission_Comment": "Entry derived from Common Quality Enumeration (CQE) Draft 0.9."}, "Modification": [{"Modification_Name": "CWE Content Team", "Modification_Organization": "MITRE", "Modification_Date": "2020-02-24", "Modification_Version": "4.0", "Modification_ReleaseDate": "2020-02-24", "Modification_Comment": "updated Relationships"}, {"Modification_Name": "CWE Content Team", "Modification_Organization": "MITRE", "Modification_Date": "2023-01-31", "Modification_Version": "4.10", "Modification_ReleaseDate": "2023-01-31", "Modification_Comment": "updated Description"}, {"Modification_Name": "CWE Content Team", "Modification_Organization": "MITRE", "Modification_Date": "2023-04-27", "Modification_Version": "4.11", "Modification_ReleaseDate": "2023-04-27", "Modification_Comment": "updated Relationships"}, {"Modification_Name": "CWE Content Team", "Modification_Organization": "MITRE", "Modification_Date": "2023-06-29", "Modification_Version": "4.12", "Modification_ReleaseDate": "2023-06-29", "Modification_Comment": "updated Mapping_Notes"}, {"Modification_Name": "CWE Content Team", "Modification_Organization": "MITRE", "Modification_Date": "2024-02-29", "Modification_Version": "4.14", "Modification_ReleaseDate": "2024-02-29", "Modification_Comment": "updated Demonstrative_Examples, Mapping_Notes"}, {"Modification_Name": "CWE Content Team", "Modification_Organization": "MITRE", "Modification_Date": "2025-12-11", "Modification_Version": "4.19", "Modification_ReleaseDate": "2025-12-11", "Modification_Comment": "updated Applicable_Platforms, Common_Consequences, Description, Detection_Factors, Time_of_Introduction"}]}, "entry_type": "Weakness"}