CVE-2017-8230 : What You Need to Know
Learn about CVE-2017-8230, a vulnerability in Amcrest IPM-721S devices allowing unauthorized users to gain admin access via the web interface. Find out how to mitigate and prevent this security issue.
On Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices, a vulnerability allows a low-privileged user to exploit HTTP APIs, add a new admin user, and perform administrative actions.
Understanding CVE-2017-8230
What is CVE-2017-8230?
The vulnerability in Amcrest IPM-721S devices enables unauthorized users to gain administrative access through the web interface.
The Impact of CVE-2017-8230
The vulnerability allows attackers to add a new admin user and perform administrative actions, compromising the device's security.
Technical Details of CVE-2017-8230
Vulnerability Description
- Users in the "user" group can access the web admin interface and exploit HTTP APIs to add admin users.
- The binary "sonia" contains vulnerable functions for executing actions via HTTP APIs.
Affected Systems and Versions
- Amcrest IPM-721S V2.420.AC00.16.R.20160909 devices
Exploitation Mechanism
- The vulnerable function at address 0x00429084 processes HTTP API requests for the "addUser" action.
Mitigation and Prevention
Immediate Steps to Take
- Restrict access to the web admin interface.
- Regularly monitor for unauthorized admin users.
Long-Term Security Practices
- Implement strong password policies.
- Conduct regular security audits.
Patching and Updates
- Update the firmware to a secure version.