CVE-2019-7385 : What You Need to Know

A security vulnerability involving authenticated shell command injection has been found in the Raisecom ISCOM HT803G-U, HT803G-W, HT803G-1GE, and HT803G GPON products.

Understanding CVE-2019-7385

This CVE involves an authenticated shell command injection vulnerability in specific Raisecom GPON products.

What is CVE-2019-7385?

The vulnerability allows for authenticated code execution on the affected devices due to a lack of user input validation in the firmware.

The Impact of CVE-2019-7385

The exploitation of this vulnerability can lead to unauthorized code execution on the device, posing a significant security risk.

Technical Details of CVE-2019-7385

This section provides more technical insights into the CVE.

Vulnerability Description

The issue arises from the usage of the newpass and confpass parameters in /bin/WebMGR for a system call in the firmware, enabling authenticated code execution.

Affected Systems and Versions

Products: Raisecom ISCOM HT803G-U, HT803G-W, HT803G-1GE, HT803G GPON
Firmware Version: ISCOMHT803G-U_2.0.0_140521_R4.1.47.002 or earlier

Exploitation Mechanism

The lack of validation of user input in the newpass and confpass parameters allows attackers to execute code on the device.

Mitigation and Prevention

Protect your systems from CVE-2019-7385 with the following steps:

Immediate Steps to Take

Update the firmware to the latest version provided by the vendor.
Implement strong authentication mechanisms to prevent unauthorized access.

Long-Term Security Practices

Regularly monitor and audit device logs for any suspicious activities.
Conduct security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Stay informed about security advisories and patches released by the vendor.
Apply security patches promptly to mitigate the risk of exploitation.