CAPEC-234
Hijacking a privileged process
MEDIUM
Draft
2014-06-23 00:00 +00:00
2021-10-21 00:00 +00:00
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Description
An adversary gains control of a process that is assigned elevated privileges in order to execute arbitrary code with those privileges. Some processes are assigned elevated privileges on an operating system, usually through association with a particular user, group, or role. If an attacker can hijack this process, they will be able to assume its level of privilege in order to execute their own code.
Informations
Execution Flow
1) Explore
[Find process with elevated priveleges] The adversary probes for processes running with elevated privileges.
Technique
- On Windows, use the process explorer's security tab to see if a process is running with administror privileges.
- On Linux, use the ps command to view running processes and pipe the output to a search for a particular user, or the root user.
2) Experiment
[Find vulnerability in running process] The adversary looks for a vulnerability in the running process that would allow for arbitrary code execution with the privilege of the running process.
Technique
- Look for improper input validation
- Look for a buffer overflow which may be exploited if an adversary can inject unvalidated data.
- Utilize system utilities that support process control that have been inadequately secured
3) Exploit
[Execute arbitrary code] The adversary exploits the vulnerability that they have found and hijacks the running process.
Prerequisites
The targeted process or operating system must contain a bug that allows attackers to hijack the targeted process.Resources Required
None: No specialized resources are required to execute this type of attack.Related Weaknesses
| Weakness Name | |
|---|---|
| Incorrect Permission Assignment for Critical Resource The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. |
|
| Incorrect Use of Privileged APIs The product does not conform to the API requirements for a function call that requires extra privileges. This could allow attackers to gain privileges by causing the function to be called incorrectly. |
Submission
| Name | Organization | Date | Date Release |
|---|---|---|---|
| CAPEC Content Team | The MITRE Corporation |
Modifications
| Name | Organization | Date | Comment |
|---|---|---|---|
| CAPEC Content Team | The MITRE Corporation | Updated Related_Attack_Patterns | |
| CAPEC Content Team | The MITRE Corporation | Updated Resources_Required | |
| CAPEC Content Team | The MITRE Corporation | Updated Related_Attack_Patterns, Taxonomy_Mappings | |
| CAPEC Content Team | The MITRE Corporation | Updated Taxonomy_Mappings | |
| CAPEC Content Team | The MITRE Corporation | Updated Description, Execution_Flow, Related_Attack_Patterns |
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