CWE-1318
Missing Support for Security Features in On-chip Fabrics or Buses
2020-12-10
00h00 +00:00
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特定のCWEの通知
特定のCWEの変更情報をいち早くお届けします。
名前: Missing Support for Security Features in On-chip Fabrics or Buses
On-chip fabrics or buses either do not support or are not configured to support privilege separation or other security features, such as access control.
一般情報
導入モード
Architecture and DesignImplementation
適用可能なプラットフォーム
言語
クラス： Not Language-Specific (Undetermined)オペレーティングシステム
クラス： Not OS-Specific (Undetermined)アーキテクチャ
クラス： Not Architecture-Specific (Undetermined)テクノロジー
名前： Processor Hardware (Undetermined)クラス： Not Technology-Specific (Undetermined)
一般的な結果
| スコープ | 影響 | 可能性 |
|---|---|---|
| Confidentiality Integrity Access Control Availability | DoS: Crash, Exit, or Restart, Read Memory, Modify Memory | Medium |
潜在的な緩和策
Phases : Architecture and Design検出方法
Architecture or Design Review
Review the fabric specification and ensure that it contains signals to transfer security-sensitive signals.有効性 : High
Manual Static Analysis - Source Code
Lack of security features can also be confirmed through manual RTL review of the fabric RTL.有効性 : High
脆弱性マッピングノート
理由 : This CWE entry is at the Base level of abstraction, which is a preferred level of abstraction for mapping to the root causes of vulnerabilities.コメント : Carefully read both the name and description to ensure that this mapping is an appropriate fit. Do not try to 'force' a mapping to a lower-level Base/Variant simply to comply with this preferred level of abstraction.
関連する攻撃パターン
| CAPEC ID | 攻撃パターン名 |
|---|---|
| CAPEC-1 | Accessing Functionality Not Properly Constrained by ACLs
In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to. |
| CAPEC-180 | Exploiting Incorrectly Configured Access Control Security Levels
An attacker exploits a weakness in the configuration of access controls and is able to bypass the intended protection that these measures guard against and thereby obtain unauthorized access to the system or network. Sensitive functionality should always be protected with access controls. However configuring all but the most trivial access control systems can be very complicated and there are many opportunities for mistakes. If an attacker can learn of incorrectly configured access security settings, they may be able to exploit this in an attack. |
参考文献
REF-1139
AMBA APB Protocol Specification, Version 2.0ARM.
https://www.eecs.umich.edu/courses/eecs373/readings/IHI0024C_amba_apb_protocol_spec.pdf
REF-1140
Open Core Protocol Specification, Release 2.2OCP-IP.
http://read.pudn.com/downloads95/doc/388103/OCPSpecification%202.2.pdf
登録情報
| 名前 | 組織 | 日付 | リリース日 | Version |
|---|---|---|---|---|
| Arun Kanuparthi, Hareesh Khattri, Parbati Kumar Manna | Intel Corporation | 4.3 |
変更履歴
| 名前 | 組織 | 日付 | コメント |
|---|---|---|---|
| CWE Content Team | MITRE | updated Applicable_Platforms | |
| CWE Content Team | MITRE | updated Applicable_Platforms | |
| CWE Content Team | MITRE | updated Relationships | |
| CWE Content Team | MITRE | updated Mapping_Notes | |
| CWE Content Team | MITRE | updated Weakness_Ordinalities | |
| CWE Content Team | MITRE | updated Demonstrative_Examples, Description, Dimensions, Modes_of_Introduction, Potential_Mitigations |
