A vulnerability in Cisco CX Cloud Agent of could allow an authenticated, local attacker to elevate their privileges. This vulnerability is due to insecure file permissions. An attacker could exploit this vulnerability by calling the script with sudo. A successful exploit could allow the attacker to take complete control of the affected device.
Weakness
During installation, installed file permissions are set to allow anyone to modify those files.
Affected Software
| Name |
Vendor |
Start Version |
End Version |
| Cx_cloud_agent |
Cisco |
* |
* |
| Cx_cloud_agent |
Cisco |
2.2 |
2.2 |
Potential Mitigations
- Compartmentalize the system to have “safe” areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
- Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.
References