CVE-2018-16874 : Exploit Details and Defense Strategies

A vulnerability in versions earlier than Go 1.10.6 and 1.11.x prior to 1.11.3 allows directory traversal via a malicious Go package in GOPATH mode.

Understanding CVE-2018-16874

This CVE relates to a security issue in the Go programming language affecting specific versions.

What is CVE-2018-16874?

The vulnerability arises from the "go get" command in GOPATH mode, enabling unauthorized filesystem writes and potential code execution.

The Impact of CVE-2018-16874

Attack Vector: Network
Attack Complexity: High
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: None
User Interaction: Required
CVSS Base Score: 6.8 (Medium)

Technical Details of CVE-2018-16874

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows directory traversal via the "go get" command in GOPATH mode, facilitating unauthorized filesystem writes.

Affected Systems and Versions

Affected Product: Golang
Vulnerable Versions: 1.10.6, 1.11.3

Exploitation Mechanism

The vulnerability is exploited by executing the "go get" command with a malicious Go package containing curly braces in GOPATH mode.

Mitigation and Prevention

Protect your systems from CVE-2018-16874 with the following measures.

Immediate Steps to Take

Update to Go versions 1.10.6 or 1.11.3 to mitigate the vulnerability.
Avoid executing the "go get" command with untrusted packages.

Long-Term Security Practices

Regularly update Go to the latest secure versions.
Implement secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Apply security patches and updates provided by the Go language maintainers.