CVE-2019-15962 : Vulnerability Insights and Analysis

Cisco TelePresence Collaboration Endpoint Software Arbitrary File Write Vulnerability

Understanding CVE-2019-15962

This CVE involves an authenticated local attacker manipulating the CLI of Cisco TelePresence Collaboration Endpoint (CE) Software to perform unauthorized file writing in the /root directory of the affected device.

What is CVE-2019-15962?

The vulnerability arises from incorrect permission allocation, requiring the attacker to access as the remotesupport user to write files in the /root directory of the impacted device.

The Impact of CVE-2019-15962

The vulnerability has a CVSS base score of 4.4, with a medium severity rating. It allows for high integrity impact but does not affect availability or confidentiality.

Technical Details of CVE-2019-15962

Vulnerability Description

The vulnerability in the CLI of Cisco TelePresence CE Software enables an attacker to write files to the /root directory due to improper permission assignment.

Affected Systems and Versions

Product: Cisco TelePresence TC Software
Vendor: Cisco
Version: Unspecified

Exploitation Mechanism

To exploit this vulnerability, the attacker must gain access as the remotesupport user and write files in the /root directory of the impacted device.

Mitigation and Prevention

Immediate Steps to Take

Monitor for any unauthorized access attempts as the remotesupport user.
Implement strict access controls and permissions to limit user capabilities.

Long-Term Security Practices

Regularly review and update permission settings on devices.
Conduct security training to educate users on safe practices to prevent unauthorized access.

Patching and Updates

Apply patches and updates provided by Cisco to address this vulnerability and enhance system security.