Detail CWE-1109

CWE-1109

Use of Same Variable for Multiple Purposes
2019-01-03
00h00 +00:00
Incomplete
2026-10-28
00h00 +00:00
CWE Mitre.org
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Kelola notifikasi

Nama: 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.

Informasi Umum

Mode Pengenalan

Implementation

Platform yang Berlaku

Bahasa

Kelas: Not Language-Specific (Undetermined)
Nama: Python (Undetermined)

Konsekuensi Umum

Cakupan Dampak Kemungkinan
OtherReduce Maintainability

Catatan: 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

Catatan: 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.

Contoh yang Diamati

Referensi Deskripsi

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)

Catatan Pemetaan Kerentanan

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

Referensi

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/

Pengajuan

Nama Organisasi Tanggal Tanggal rilis Version
CWE Content Team MITRE 2018-07-02 +00:00 2019-01-03 +00:00 3.2

Modifikasi

Nama Organisasi Tanggal Komentar
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
Informasi yang disajikan di CVE Find berasal dari beberapa sumber referensi yang dipilih dengan cermat. Data CVE disediakan oleh MITRE Corporation dan National Vulnerability Database (NVD). Katalog Known Exploited Vulnerabilities (KEV) bersumber dari Cybersecurity and Infrastructure Security Agency (CISA), sementara skor EPSS berasal dari FIRST.org. Selain itu, data mengenai kelemahan perangkat lunak (CWE) dan pola serangan umum (CAPEC) dikelola oleh MITRE Corporation, dan informasi tentang konfigurasi perangkat keras dan perangkat lunak (CPE) disediakan oleh NVD.