CVE-2019-1630 : What You Need to Know

Cisco Integrated Management Controller (IMC) has a vulnerability in its firmware signature checking program that could lead to a denial of service (DoS) attack.

Understanding CVE-2019-1630

Cisco Unified Computing System (Management Software) version 4.0 is affected by a flaw in the IMC firmware signature checking program.

What is CVE-2019-1630?

The vulnerability in Cisco IMC could be exploited by a local authenticated attacker to trigger a buffer overflow, potentially causing a DoS condition. The flaw arises from inadequate input buffer validation.

The Impact of CVE-2019-1630

CVSS Base Score: 5.5 (Medium Severity)
Attack Vector: Local
Attack Complexity: Low
Availability Impact: High
Successful exploitation could disrupt system availability and hinder administrator access.

Technical Details of CVE-2019-1630

Vulnerability Description

The flaw in the IMC firmware signature checking program allows a local attacker to execute a DoS attack through a buffer overflow.

Affected Systems and Versions

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

Exploitation Mechanism

To exploit this vulnerability, an authenticated attacker needs to provide a carefully crafted file to the affected system, triggering the buffer overflow.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security patches provided by Cisco.
Monitor Cisco's security advisories for updates and guidance.

Long-Term Security Practices

Implement the principle of least privilege to restrict access.
Regularly review and update security configurations.
Conduct security training for system administrators.

Patching and Updates

Ensure timely installation of security updates and patches to mitigate the vulnerability.