CVE-2019-15277 : Vulnerability Insights and Analysis

A vulnerability in the Cisco TelePresence Collaboration Endpoint (CE) Software CLI allows a local attacker to execute code as a root user. The flaw arises from inadequate validation of user input, enabling privilege escalation.

Understanding CVE-2019-15277

This CVE involves a weakness in the Cisco TelePresence Collaboration Endpoint (CE) Software CLI that could lead to privilege escalation.

What is CVE-2019-15277?

The vulnerability in the Cisco TelePresence CE Software CLI permits a local attacker with authenticated access to run code as a root user due to insufficient input validation.

The Impact of CVE-2019-15277

If successfully exploited, an attacker could execute commands with root privileges by authenticating as the remote support user and sending harmful data to an internal listener within the device.

Technical Details of CVE-2019-15277

The technical aspects of the vulnerability in the Cisco TelePresence Collaboration Endpoint Software.

Vulnerability Description

The weakness in the CLI of Cisco TelePresence CE Software allows an authenticated local attacker to achieve root access by exploiting inadequate input validation.

Affected Systems and Versions

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

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Local
Privileges Required: High
User Interaction: None
Scope: Unchanged
CVSS Score: 6.4 (Medium Severity)
Vector String: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Impact: High on Confidentiality, Integrity, and Availability

Mitigation and Prevention

Steps to address and prevent the CVE-2019-15277 vulnerability.

Immediate Steps to Take

Apply vendor-provided patches or updates promptly.
Monitor Cisco's security advisories for any new information.
Restrict network access to vulnerable devices.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Implement strong authentication mechanisms.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Cisco has released security updates to address the vulnerability. Ensure timely installation of these patches to mitigate the risk of exploitation.