CVE-2021-3789 : Exploit Details and Defense Strategies
Learn about CVE-2021-3789, an information disclosure vulnerability in Motorola Binatone Hubble Cameras, allowing attackers with physical access to extract encryption keys for firmware updates. Find mitigation steps.
An information disclosure vulnerability was reported in some Motorola-branded Binatone Hubble Cameras which could allow an attacker with physical access to obtain the encryption key used to decrypt firmware update packages.
Understanding CVE-2021-3789
This CVE involves an information disclosure vulnerability in certain Motorola Binatone Hubble Cameras, potentially exposing the encryption key used for decrypting firmware update packages.
What is CVE-2021-3789?
CVE-2021-3789 is an information disclosure vulnerability found in specific models of Motorola Binatone Hubble Cameras. It enables an attacker with physical access to retrieve the encryption key used to decrypt firmware updates.
The Impact of CVE-2021-3789
The vulnerability poses a medium-severity threat with a CVSS base score of 4.2. It primarily affects confidentiality, potentially leading to unauthorized access to sensitive information stored on the affected cameras.
Technical Details of CVE-2021-3789
This section provides detailed technical information related to CVE-2021-3789.
Vulnerability Description
The vulnerability allows an attacker physically near the device to extract the encryption key, compromising the confidentiality of firmware update packages.
Affected Systems and Versions
Affected systems include various versions of Binatone Hubble Cameras under the Motorola brand.
Exploitation Mechanism
The vulnerability requires physical access to the camera, enabling attackers to retrieve the encryption key through unauthorized means.
Mitigation and Prevention
To address CVE-2021-3789, users and administrators can take specific steps to enhance security.
Immediate Steps to Take
Users should update the camera firmware to the recommended version specified in the Binatone Security Advisory to mitigate the vulnerability.
Long-Term Security Practices
Implementing strict physical security measures and regular firmware updates can help prevent potential breaches.
Patching and Updates
Regularly check for firmware updates and apply them promptly to ensure the latest security patches are in place.