CAPEC-180: Exploiting Incorrectly Configured Access Control Security Levels
CAPEC版本: 3.9
更新日期: 2023-01-24
攻击模式描述
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.
执行流程
步骤 1 Explore
[Survey] The attacker surveys the target application, possibly as a valid and authenticated user.
- Spider the web site for all available links.
- Brute force to guess all function names/action with different privileges.
步骤 2 Experiment
[Identify weak points in access control configurations] The attacker probes the access control for functions and data identified in the Explore phase to identify potential weaknesses in how the access controls are configured.
- The attacker attempts authenticated access to targeted functions and data.
- The attacker attempts unauthenticated access to targeted functions and data.
- The attacker attempts indirect and side channel access to targeted functions and data.
步骤 3 Exploit
[Access the function or data bypassing the access control] The attacker executes the function or accesses the data identified in the Explore phase bypassing the access control.
- The attacker executes the function or accesses the data not authorized to them.
前提条件
- The target must apply access controls, but incorrectly configure them. However, not all incorrect configurations can be exploited by an attacker. If the incorrect configuration applies too little security to some functionality, then the attacker may be able to exploit it if the access control would be the only thing preventing an attacker's access and it no longer does so. If the incorrect configuration applies too much security, it must prevent legitimate activity and the attacker must be able to force others to require this activity..
所需技能
所需资源
- None: No specialized resources are required to execute this type of attack.
后果影响
影响范围: Integrity
技术影响: Modify Data
影响范围: Confidentiality
技术影响: Read Data
影响范围: Authorization
技术影响: Execute Unauthorized Commands
说明: Run Arbitrary Code
影响范围: Authorization
技术影响: Gain Privileges
影响范围: Access Control Authorization
技术影响: Bypass Protection Mechanism
影响范围: Availability
技术影响: Unreliable Execution
缓解措施
Design: Configure the access control correctly.
示例实例
For example, an incorrectly configured Web server, may allow unauthorized access to it, thus threaten the security of the Web application.
分类映射
| 分类名称 | 条目ID | 条目名称 |
|---|---|---|
| ATTACK | 1574.010 | Hijack Execution Flow: Services File Permissions Weaknesses |