Menu

  • Alerts
  • Incidents
  • News
  • APTs
  • Cyber Decoded
  • Cyber Hygiene
  • Cyber Review
  • Cyber Tips
  • Definitions
  • Malware
  • Threat Actors
  • Tutorials

Useful Tools

  • Password generator
  • Report an incident
  • Report to authorities
No Result
View All Result
CTF Hack Havoc
CyberMaterial
  • Education
    • Cyber Decoded
    • Definitions
  • Information
    • Alerts
    • Incidents
    • News
  • Insights
    • Cyber Hygiene
    • Cyber Review
    • Tips
    • Tutorials
  • Support
    • Contact Us
    • Report an incident
  • About
    • About Us
    • Advertise with us
Get Help
Hall of Hacks
  • Education
    • Cyber Decoded
    • Definitions
  • Information
    • Alerts
    • Incidents
    • News
  • Insights
    • Cyber Hygiene
    • Cyber Review
    • Tips
    • Tutorials
  • Support
    • Contact Us
    • Report an incident
  • About
    • About Us
    • Advertise with us
Get Help
No Result
View All Result
Hall of Hacks
CyberMaterial
No Result
View All Result
Home Alerts

GitHub Supply Chain Vulnerability Risks

January 9, 2024
Reading Time: 3 mins read
in Alerts

Security researchers have uncovered a vulnerability in thousands of public GitHub repositories that could be exploited for malicious code injection via self-hosted GitHub Actions runners. This vulnerability poses a substantial risk of supply chain attacks, allowing attackers to execute arbitrary code on self-hosted runners. The flaw arises when a repository has self-hosted runners attached, and any workflow running in the repository’s context, including those from fork pull requests, could run potentially malicious code. Furthermore, the self-hosted runners set up following default steps are persistent, enabling a process to run in the background after job completion, providing an avenue for deploying persistence mechanisms.

The attacker can manipulate the vulnerability by changing a workflow file within their fork, creating a pull request, and, if approved, running arbitrary code on a self-hosted runner. Security researcher Adnan Khan demonstrated this attack flow by gaining persistent access to GitHub’s own actions/runner-images repository, where workflows for building Windows and MacOS runner images were compromised. Although GitHub took mitigative actions and rewarded Khan with a $20,000 bug bounty, the researchers found thousands of other vulnerable repositories on GitHub and reported over 20 bug bounty reports, exposing various organizations to potential supply chain compromises.

To address this class of vulnerability, organizations are advised to adjust repository settings to require approval for all outside contributions, providing a crucial layer of defense against potential malicious code injection. The researchers expanded their investigation beyond GitHub to other continuous integration and continuous delivery (CI/CD) platforms, discovering similar attack vectors in Buildkite, Jenkins, and CircleCI. These findings underscore the need for organizations, particularly those in advanced tech sectors, to enhance security measures and awareness to prevent potential exploitation and supply chain compromises.

Reference:
  • One Supply Chain Attack to Rule Them All
Tags: Cyber AlertCyber Alerts 2024Cyber RiskCyber threatGitHubJanuary 2024Vulnerabilities
ADVERTISEMENT

Related Posts

Russian APT28 Deploys Outlook Backdoor

SAP S4hana Exploited Vulnerability

September 5, 2025
Russian APT28 Deploys Outlook Backdoor

Virustotal Finds Undetected SVG Files

September 5, 2025
Russian APT28 Deploys Outlook Backdoor

Russian APT28 Deploys Outlook Backdoor

September 5, 2025
Lazarus Hackers Exploit ZeroDay, Deploy Rats

Lazarus Hackers Exploit ZeroDay, Deploy Rats

September 4, 2025
Lazarus Hackers Exploit ZeroDay, Deploy Rats

CISA Flags TP Link Router Flaws

September 4, 2025
Lazarus Hackers Exploit ZeroDay, Deploy Rats

Google Patches 120 Flaws In Android

September 4, 2025

Latest Alerts

SAP S4hana Exploited Vulnerability

Virustotal Finds Undetected SVG Files

Russian APT28 Deploys Outlook Backdoor

CISA Flags TP Link Router Flaws

Lazarus Hackers Exploit ZeroDay, Deploy Rats

Google Patches 120 Flaws In Android

Subscribe to our newsletter

    Latest Incidents

    North Korean Hackers Fake Interviews

    Bridgestone Confirms Cyberattack

    Cybersecurity Firms Hit By Breach

    Salesloft Drift Attacks Hits Vendors

    Jaguar Land Rover Hit By Cyber Incident

    Hackers Use Grok Ai To Spread Malware

    CyberMaterial Logo
    • About Us
    • Contact Us
    • Jobs
    • Legal and Privacy Policy
    • Site Map

    © 2025 | CyberMaterial | All rights reserved

    Welcome Back!

    Login to your account below

    Forgotten Password?

    Retrieve your password

    Please enter your username or email address to reset your password.

    Log In

    Add New Playlist

    No Result
    View All Result
    • Alerts
    • Incidents
    • News
    • Cyber Decoded
    • Cyber Hygiene
    • Cyber Review
    • Definitions
    • Malware
    • Cyber Tips
    • Tutorials
    • Advanced Persistent Threats
    • Threat Actors
    • Report an incident
    • Password Generator
    • About Us
    • Contact Us
    • Advertise with us

    Copyright © 2025 CyberMaterial