Chi tiết CWE-1109

CWE-1109

Use of Same Variable for Multiple Purposes
2019-01-03
00h00 +00:00
Incomplete
2026-10-28
00h00 +00:00
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Quản lý thông báo

Tên: Use of Same Variable for Multiple Purposes

The code contains a callable, block, or other code element in which the same variable is used to control more than one unique task or store more than one instance of data.

Thông tin chung

Các cách xuất hiện

Implementation

Nền tảng áp dụng

Ngôn ngữ

Lớp: Not Language-Specific (Undetermined)
Tên: Python (Undetermined)

Hậu quả phổ biến

Phạm vi Tác động Khả năng xảy ra
OtherReduce Maintainability

Ghi chú: This issue makes it more difficult to 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.
OtherIncrease Analytical Complexity

Ghi chú: Use of the same variable for multiple purposes can make it more difficult for a person to read or understand the code, potentially hiding other quality issues.

Ví dụ đã quan sát

Tài liệu tham khảo Mô tả

CVE-2023-26463

Chain: IPSec VPN product uses the same variable for multiple purposes in the same function (CWE-1109), leading to incorrect access control (CWE-284) and expired pointer dereference (CWE-825)

Ghi chú ánh xạ lỗ hổng

Lý do : This entry is primarily a quality issue with no direct security implications.
Bình luận : Look for weaknesses that are focused specifically on insecure behaviors that have more direct security implications.

Tài liệu tham khảo

REF-963

Providing a Framework for Effective Software Quality Assessment
Robert A. Martin, Lawrence H. Shafer.
https://www.researchgate.net/publication/285403022_PROVIDING_A_FRAMEWORK_FOR_EFFECTIVE_SOFTWARE_QUALITY_MEASUREMENT_MAKING_A_SCIENCE_OF_RISK_ASSESSMENT

REF-1541

Secure Coding Guide for Python
OpenSSF.
https://best.openssf.org/Secure-Coding-Guide-for-Python/

Gửi

Tên Tổ chức Ngày Ngày phát hành Version
CWE Content Team MITRE 2018-07-02 +00:00 2019-01-03 +00:00 3.2

Sửa đổi

Tên Tổ chức Ngày Bình luận
CWE Content Team MITRE 2020-02-24 +00:00 updated Relationships
CWE Content Team MITRE 2023-01-31 +00:00 updated Description
CWE Content Team MITRE 2023-04-27 +00:00 updated Relationships
CWE Content Team MITRE 2023-06-29 +00:00 updated Mapping_Notes
CWE Content Team MITRE 2024-02-29 +00:00 updated Mapping_Notes
CWE Content Team MITRE 2025-12-11 +00:00 updated Applicable_Platforms, Common_Consequences, Description, Observed_Examples, Time_of_Introduction
CWE Content Team MITRE 2026-10-28 +00:00 updated Applicable_Platforms, References, Relationships, Taxonomy_Mappings