CVE-2018-19071 Explained : Impact and Mitigation
Learn about CVE-2018-19071, a vulnerability affecting Foscam C2 and Opticam i5 devices, allowing local users to manipulate system start-up commands. Find mitigation steps and prevention measures here.
A vulnerability has been identified on Foscam C2 devices using System Firmware 1.11.1.8 and Application Firmware 2.72.1.32, as well as Opticam i5 devices running System Firmware 1.5.2.11 and Application Firmware 2.21.1.128. The file /mnt/mtd/boot.sh is assigned the permissions of 0777, which grants local users the ability to manipulate the commands executed during system start-up.
Understanding CVE-2018-19071
This CVE involves a security issue on specific Foscam and Opticam devices that allows local users to control system start-up commands.
What is CVE-2018-19071?
CVE-2018-19071 is a vulnerability found in Foscam C2 and Opticam i5 devices, enabling local users to manipulate system start-up commands due to insecure permissions on the /mnt/mtd/boot.sh file.
The Impact of CVE-2018-19071
The vulnerability poses a risk as local users can potentially execute unauthorized commands during system start-up, compromising the device's security and integrity.
Technical Details of CVE-2018-19071
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The /mnt/mtd/boot.sh file on affected devices has insecure permissions (0777), allowing local users to control commands executed during system start-up.
Affected Systems and Versions
- Foscam C2 devices with System Firmware 1.11.1.8 and Application Firmware 2.72.1.32
- Opticam i5 devices with System Firmware 1.5.2.11 and Application Firmware 2.21.1.128
Exploitation Mechanism
Local users can exploit the vulnerability by manipulating the commands within the /mnt/mtd/boot.sh file, potentially leading to unauthorized actions during system start-up.
Mitigation and Prevention
Protecting systems from CVE-2018-19071 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Monitor system start-up processes for any unauthorized commands or changes.
- Restrict access to critical system files to authorized users only.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Implement strong access controls and user permissions to prevent unauthorized system modifications.
Patching and Updates
Ensure that affected devices are updated with secure firmware versions that address the permissions issue on the /mnt/mtd/boot.sh file.