배경 세부 정보
취약점 도입 방식
Architecture and Design
Implementation : REALIZATION: This weakness is caused during implementation of an architectural security tactic.
Operation
적용 가능한 플랫폼
언어
클래스: Not Language-Specific (Undetermined)
일반적인 결과
| 범위 |
영향 |
가능성 |
| Access Control | Gain Privileges or Assume Identity
참고: If privileges are not dropped, neither are access rights of the user. Often these rights can be prevented from being dropped. | |
Access Control Non-Repudiation | Gain Privileges or Assume Identity, Hide Activities
참고: If privileges are not dropped, in some cases the system may record actions as the user which is being impersonated rather than the impersonator. | |
관찰된 예시
| 참고 자료 |
설명 |
| Program does not drop privileges after acquiring the raw socket. |
| Setuid program does not drop privileges after a parsing error occurs, then calls another program to handle the error. |
| Does not drop privileges in related groups when lowering privileges. |
| Does not drop privileges in related groups when lowering privileges. |
| Does not drop privileges before determining access to certain files. |
| Finger daemon does not drop privileges when executing programs on behalf of the user being fingered. |
| FTP server does not drop privileges if a connection is aborted during file transfer. |
| Program only uses seteuid to drop privileges. |
| Windows program running as SYSTEM does not drop privileges before executing other programs (many others like this, especially involving the Help facility). |
| Utility Manager launches winhlp32.exe while running with raised privileges, which allows local users to gain system privileges. |
| Setuid program does not drop privileges before executing program specified in an environment variable. |
| Setuid program does not drop privileges before processing file specified on command line. |
| Service on Windows does not drop privileges before using "view file" option, allowing code execution. |
잠재적 완화 방법
Phases : Architecture and Design
Phases : Architecture and Design // Operation
Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
Phases : Architecture and Design
Consider following the principle of separation of privilege. Require multiple conditions to be met before permitting access to a system resource.
탐지 방법
Automated Static Analysis
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.)
취약점 매핑 메모
근거 : This CWE entry is a Class and might have Base-level children that would be more appropriate
댓글 : Examine children of this entry to see if there is a better fit
메모
CWE-271, CWE-272, and CWE-250 are all closely related and possibly overlapping. CWE-271 is probably better suited as a category.
참고 자료
REF-44
24 Deadly Sins of Software Security
Michael Howard, David LeBlanc, John Viega.
REF-62
The Art of Software Security Assessment
Mark Dowd, John McDonald, Justin Schuh.
제출
| 이름 |
조직 |
날짜 |
출시일 |
Version |
| PLOVER |
|
2006-07-19 +00:00 |
2006-07-19 +00:00 |
Draft 3 |
수정 사항
| 이름 |
조직 |
날짜 |
댓글 |
| Eric Dalci |
Cigital |
2008-07-01 +00:00 |
updated Time_of_Introduction |
| CWE Content Team |
MITRE |
2008-09-08 +00:00 |
updated Description, Relationships, Taxonomy_Mappings, Weakness_Ordinalities |
| CWE Content Team |
MITRE |
2008-10-14 +00:00 |
updated Description, Maintenance_Notes |
| CWE Content Team |
MITRE |
2009-12-28 +00:00 |
updated Potential_Mitigations |
| CWE Content Team |
MITRE |
2010-06-21 +00:00 |
updated Potential_Mitigations |
| CWE Content Team |
MITRE |
2011-03-29 +00:00 |
updated Relationships |
| CWE Content Team |
MITRE |
2011-06-01 +00:00 |
updated Common_Consequences |
| CWE Content Team |
MITRE |
2012-05-11 +00:00 |
updated Common_Consequences, Demonstrative_Examples, Observed_Examples, References, Relationships |
| CWE Content Team |
MITRE |
2012-10-30 +00:00 |
updated Potential_Mitigations |
| CWE Content Team |
MITRE |
2017-11-08 +00:00 |
updated Applicable_Platforms, Causal_Nature, Modes_of_Introduction, Relationships |
| CWE Content Team |
MITRE |
2020-02-24 +00:00 |
updated Relationships |
| CWE Content Team |
MITRE |
2020-12-10 +00:00 |
updated Potential_Mitigations |
| 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 |
2026-10-28 +00:00 |
updated Background_Details, Description, Detection_Factors |