CVE-2017-8331 Explained : Impact and Mitigation
Learn about CVE-2017-8331 affecting Securifi Almond devices. This vulnerability allows command injection through the 'system' API, enabling attackers to take control of the device. Find mitigation steps here.
A vulnerability has been identified on Securifi Almond, Almond+, and Almond 2015 devices running firmware AL-R096. The vulnerability allows for command injection through the 'system' API, potentially enabling attackers to take control of the device.
Understanding CVE-2017-8331
This CVE describes a security issue affecting specific Securifi Almond devices that could be exploited to execute arbitrary commands on the device.
What is CVE-2017-8331?
The vulnerability in Securifi Almond, Almond+, and Almond 2015 devices allows attackers to manipulate POST parameters in a way that enables command injection through the 'system' API. By exploiting this flaw, an attacker can provide their payload and gain control over the affected device.
The Impact of CVE-2017-8331
The vulnerability poses a significant risk as it allows unauthorized individuals to execute commands on the device, potentially leading to complete compromise and control by malicious actors.
Technical Details of CVE-2017-8331
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerable binary 'goahead' in the firmware AL-R096 processes values from POST requests, allowing attackers to inject commands through the 'system' function, leading to device compromise.
Affected Systems and Versions
- Devices: Securifi Almond, Almond+, and Almond 2015
- Firmware: AL-R096
Exploitation Mechanism
- POST parameter 'ip_address' value extraction at address 0x0043C2F0
- Concatenation of 'ipaddress' at address 0x0043C958
- Passing to 'system' function at address 0x00437284
Mitigation and Prevention
Protecting systems from CVE-2017-8331 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update firmware to the latest version that addresses the vulnerability
- Implement network segmentation to limit the impact of potential attacks
- Monitor network traffic for any suspicious activities
Long-Term Security Practices
- Regularly update firmware and security patches
- Conduct security assessments and penetration testing
- Educate users on safe computing practices
Patching and Updates
- Apply patches provided by the device manufacturer to fix the vulnerability
- Stay informed about security updates and advisories from the vendor