CVE-2019-12805 : What You Need to Know

NC Launcher 2 Arbitrary Command Injection Vulnerability

Understanding CVE-2019-12805

The custom protocol handler in NCSOFT Game Launcher, specifically NC Launcher2 version 2.4.1.691 and previous versions, is susceptible to a vulnerability that could allow remote attackers to execute arbitrary commands.

What is CVE-2019-12805?

The vulnerability in NC Launcher2 allows a remote attacker to execute arbitrary commands by exploiting the custom protocol handler. This requires user interaction, as the target must visit a malicious webpage for the attack to be successful.

The Impact of CVE-2019-12805

CVSS Base Score: 8.8 (High)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2019-12805

The technical details of the vulnerability in NC Launcher2.

Vulnerability Description

The vulnerability is due to improper neutralization of special elements used in a command, specifically command injection.

Affected Systems and Versions

Affected Product: NC Launcher2
Vendor: NCSOFT
Affected Versions: 2.4.1.691 and earlier

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into visiting a malicious webpage, allowing them to execute arbitrary commands within the user's context.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-12805.

Immediate Steps to Take

Update NC Launcher2 to the latest version.
Avoid visiting untrusted or malicious websites.
Implement network security measures to detect and block malicious activities.

Long-Term Security Practices

Regularly educate users on safe browsing practices.
Conduct security assessments and penetration testing to identify vulnerabilities.
Monitor and analyze network traffic for suspicious activities.

Patching and Updates

Apply security patches provided by NCSOFT promptly.