CVE-2020-12763 : Security Advisory and Response

TRENDnet ProView Wireless camera TV-IP512WN 1.0R 1.0.4 is vulnerable to an unauthenticated stack-based buffer overflow in handling RTSP packets, potentially leading to remote code execution or denial of service.

Understanding CVE-2020-12763

This CVE identifies a critical vulnerability in TRENDnet ProView Wireless camera TV-IP512WN 1.0R 1.0.4.

What is CVE-2020-12763?

The vulnerability involves an unauthenticated stack-based buffer overflow in the binary rtspd (in /sbin) when processing long "Authorization: Basic" RTSP headers.

The Impact of CVE-2020-12763

The vulnerability could allow attackers to execute arbitrary code remotely or cause denial of service on the affected device.

Technical Details of CVE-2020-12763

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is a stack-based buffer overflow in handling RTSP packets on the TRENDnet ProView Wireless camera TV-IP512WN 1.0R 1.0.4.

Affected Systems and Versions

Product: TRENDnet ProView Wireless camera TV-IP512WN
Version: 1.0R 1.0.4

Exploitation Mechanism

The issue arises when the rtspd binary processes lengthy "Authorization: Basic" RTSP headers, potentially leading to a buffer overflow.

Mitigation and Prevention

Protecting systems from CVE-2020-12763 is crucial to prevent exploitation and maintain security.

Immediate Steps to Take

Disable remote access if not required
Implement network segmentation to limit exposure
Monitor network traffic for suspicious activities

Long-Term Security Practices

Regularly update firmware and software
Conduct security assessments and penetration testing
Educate users on secure practices

Patching and Updates

Apply patches and updates provided by the vendor to address the vulnerability