Cybersecurity experts at Wiz have identified a workflow injection vulnerability in Snowflake's public repository that could allow attackers to execute commands and access internal Jira credentials.

  • Vulnerability discovered in the 'snowflake-connector-net' public repository.
  • Attackers could trigger command injection via specially crafted GitHub issues.
  • The flaw potentially exposed sensitive internal Jira credentials.

Cybersecurity researchers from Wiz have disclosed a critical GitHub Actions workflow injection vulnerability within Snowflake's public snowflakedb/snowflake-connector-net repository. This vulnerability represents a significant risk in how automated workflows handle external inputs from public users.

The flaw resided specifically in the .github/workflows/jira_issue.yml file. This workflow was designed to trigger automatically upon the creation of a GitHub issue. However, due to insufficient sanitization of input data, a malicious actor could provide a crafted issue title or body to inject and execute arbitrary commands within the runner environment.

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Why This Matters

BozokMedia analysis shows that as organizations shift toward DevOps and CI/CD automation, the 'attack surface' has shifted from the production server to the build pipeline. When a workflow possesses high-level permissions or access to internal secrets—such as the Jira credentials in this case—a single injection flaw can grant an attacker a foothold into the company's internal project management and tracking systems.

The weaponization of CI/CD pipelines is a growing trend; trusting user-supplied input in a workflow is equivalent to leaving the back door open for any remote attacker.

Historical Background and Context

Supply chain security has become a paramount concern following high-profile breaches like SolarWinds. GitHub Actions, while efficient, introduces risks if developers use expressions that evaluate untrusted input. This specific pattern of vulnerability has been seen across various open-source projects, highlighting a systemic gap in secure coding practices for YAML-based automation.

Did You Know?: Command injection is one of the oldest web vulnerabilities, yet it persists today in modern cloud-native tools due to complex integration layers.

Frequently Asked Questions

1. What is a Workflow Injection?
It is a vulnerability where an attacker can manipulate the input of an automated workflow to execute unauthorized code or commands on the server running the workflow.

2. Was the main Snowflake cloud platform affected?
No, this vulnerability was limited to the specific GitHub repository used for the .NET connector and did not impact the core Snowflake data platform.