CVE-2023-49235 : What You Need to Know

An issue was discovered in libremote_dbg.so on TRENDnet TV-IP1314PI 5.5.3 200714 devices. Filtering of debug information is mishandled during use of popen. Consequently, an attacker can bypass validation and execute a shell command.

Understanding CVE-2023-49235

This CVE identifies a vulnerability in TRENDnet TV-IP1314PI 5.5.3 200714 devices that can allow an attacker to execute a shell command by bypassing validation.

What is CVE-2023-49235?

CVE-2023-49235 is a vulnerability that affects TRENDnet TV-IP1314PI 5.5.3 200714 devices due to mishandling of filtering debug information when using popen. This mishandling allows an attacker to bypass validation and run a shell command.

The Impact of CVE-2023-49235

The impact of this vulnerability is significant as it enables attackers to execute unauthorized shell commands on affected devices, potentially leading to further compromise of the system.

Technical Details of CVE-2023-49235

This section provides more detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from the mishandling of debug information filtering in libremote_dbg.so, specifically during the use of popen, which allows an attacker to execute shell commands.

Affected Systems and Versions

The affected system identified in this CVE is TRENDnet TV-IP1314PI 5.5.3 200714 devices.

Exploitation Mechanism

The exploitation of this vulnerability involves bypassing validation by manipulating the debug information filtering process to execute unauthorized shell commands.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risk posed by CVE-2023-49235.

Immediate Steps to Take

Update to the latest firmware version that contains a patch for the vulnerability.
Restrict network access to vulnerable devices.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update and patch all devices and software to ensure vulnerabilities are addressed promptly.
Implement robust network segmentation and access controls.
Conduct security assessments and penetration testing periodically.

Patching and Updates

Stay informed about security updates and patches released by TRENDnet for the affected devices and apply them as soon as they are available.