CVE-2020-26222 : Vulnerability Insights and Analysis

Dependabot is a set of packages for automated dependency management for various programming languages. A vulnerability in Dependabot-Core versions prior to 0.125.1 allows remote code execution when a source branch name contains malicious bash code. This CVE has a CVSS base score of 8.7 (High Severity).

Understanding CVE-2020-26222

Dependabot-Core versions before 0.125.1 are susceptible to remote code execution due to a vulnerability in dependabot-common and dependabot-go_modules.

What is CVE-2020-26222?

Dependabot-Core, a dependency management tool, is vulnerable to remote code execution when a source branch name includes malicious bash code. An attacker could exploit this to execute arbitrary commands.

The Impact of CVE-2020-26222

The vulnerability poses a high severity risk with a CVSS base score of 8.7. It can lead to unauthorized code execution, compromising confidentiality and integrity.

Technical Details of CVE-2020-26222

Dependabot-Core versions before 0.125.1 are affected by a remote code execution vulnerability.

Vulnerability Description

A remote code execution vulnerability exists in dependabot-common and dependabot-go_modules when malicious bash code is included in a source branch name.

Affected Systems and Versions

Product: dependabot-core
Vendor: dependabot
Versions affected: < 0.125.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Scope: Changed
Vector String: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Mitigation and Prevention

To address CVE-2020-26222, follow these steps:

Immediate Steps to Take

Upgrade to version 0.125.1 or later.
Escape branch names containing special characters.

Long-Term Security Practices

Regularly update Dependabot-Core to the latest version.
Implement input validation to prevent injection attacks.

Patching and Updates

Apply the fix included in version 0.125.1 to mitigate the vulnerability.