CWE-1109
Use of Same Variable for Multiple Purposes
2019-01-03
00h00 +00:00
00h00 +00:00
指定 CWE 通知
掌握特定 CWE 的任何變更。
名稱: 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.
一般資訊
引入方式
Implementation適用平台
程式語言
類別： Not Language-Specific (Undetermined)名稱： Python (Undetermined)
常見後果
| 範圍 | 影響 | 可能性 |
|---|---|---|
| Other | Reduce Maintainability 注意：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. | |
| Other | Increase Analytical Complexity 注意：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. |
觀察到的案例
| 參考資料 | 描述 |
|---|---|
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) |
漏洞對應備注
理由說明 : This entry is primarily a quality issue with no direct security implications.備註 : Look for weaknesses that are focused specifically on insecure behaviors that have more direct security implications.
參考資料
REF-963
Providing a Framework for Effective Software Quality AssessmentRobert 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 PythonOpenSSF.
https://best.openssf.org/Secure-Coding-Guide-for-Python/
提交
| 名稱 | 機構 | 日期 | 發布日期 | Version |
|---|---|---|---|---|
| CWE Content Team | MITRE | 3.2 |
修改記錄
| 名稱 | 機構 | 日期 | 備註 |
|---|---|---|---|
| CWE Content Team | MITRE | updated Relationships | |
| CWE Content Team | MITRE | updated Description | |
| CWE Content Team | MITRE | updated Relationships | |
| CWE Content Team | MITRE | updated Mapping_Notes | |
| CWE Content Team | MITRE | updated Mapping_Notes | |
| CWE Content Team | MITRE | updated Applicable_Platforms, Common_Consequences, Description, Observed_Examples, Time_of_Introduction | |
| CWE Content Team | MITRE | updated Applicable_Platforms, References, Relationships, Taxonomy_Mappings |
