CVE-2019-1879 : Exploit Details and Defense Strategies

Cisco Integrated Management Controller CLI Command Injection Vulnerability

Understanding CVE-2019-1879

This CVE involves a vulnerability in the CLI of Cisco Integrated Management Controller (IMC) that could allow an authenticated, local attacker to inject arbitrary commands with root privileges.

What is CVE-2019-1879?

The vulnerability arises due to inadequate validation of user-supplied input at the CLI, enabling an attacker to execute arbitrary commands on the affected device.

The Impact of CVE-2019-1879

The vulnerability has a CVSS base score of 6.4, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability of the system.

Technical Details of CVE-2019-1879

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows an authenticated attacker to inject commands with root privileges through the CLI of Cisco IMC due to insufficient input validation.

Affected Systems and Versions

Product: Cisco Unified Computing System (Management Software)
Vendor: Cisco
Version: 4.0

Exploitation Mechanism

Attacker needs local access and administrator password authentication via CLI
Crafted input to affected commands grants root privileges

Mitigation and Prevention

Protect your systems from this vulnerability with the following steps:

Immediate Steps to Take

Apply vendor-provided patches and updates
Monitor network traffic for signs of exploitation

Long-Term Security Practices

Implement the principle of least privilege for user access
Regularly review and update security policies and procedures

Patching and Updates

Stay informed about security advisories from Cisco
Regularly update and patch affected systems to mitigate risks