CVE-2019-1623 : Security Advisory and Response
Learn about CVE-2019-1623, a vulnerability in Cisco Meeting Server allowing attackers to gain root access. Understand the impact, affected systems, exploitation, and mitigation steps.
Cisco Meeting Server CLI Command Injection Vulnerability allows an attacker to gain root user access privileges by injecting commands. The flaw arises from inadequate input validation during CLI command execution.
Understanding CVE-2019-1623
This CVE involves a vulnerability in Cisco Meeting Server that enables an attacker to execute arbitrary code as a root user.
What is CVE-2019-1623?
The vulnerability in the CLI configuration shell of Cisco Meeting Server permits an authorized attacker to inject commands, potentially leading to unauthorized access.
The Impact of CVE-2019-1623
- CVSS Base Score: 6.7 (Medium Severity)
- Attack Vector: Local
- Privileges Required: High
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Scope: Unchanged
- User Interaction: None
- The exploit could allow an attacker to execute any desired code as root on the affected product.
Technical Details of CVE-2019-1623
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw in Cisco Meeting Server's CLI configuration shell allows an attacker to inject commands and gain root user access.
Affected Systems and Versions
- Affected Product: Cisco Meeting Server
- Vendor: Cisco
- Vulnerable Versions: Less than 2.2.14
Exploitation Mechanism
- The attacker must be physically present and possess administrator-level credentials to exploit the vulnerability.
- Injection of carefully crafted arguments during command execution is necessary for successful exploitation.
Mitigation and Prevention
Protecting systems from CVE-2019-1623 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-provided patches promptly.
- Monitor network traffic for signs of exploitation.
- Restrict physical access to vulnerable systems.
Long-Term Security Practices
- Implement the principle of least privilege for user accounts.
- Regularly update and patch software to address vulnerabilities.
- Conduct security training to educate users on safe practices.
Patching and Updates
- Cisco has released patches to address the vulnerability.
- Regularly check for updates and apply them to ensure system security.