Exposed WebHook attack in CI/CD posture is a technique where an attacker exploits a publicly accessible or improperly authenticated and authorized WebHook endpoint in a CI/CD setup.
The attacker sends malicious payloads or triggers unauthorized actions through the WebHook, gaining unauthorized access to the CI/CD pipeline or associated resources.
The consequences can include unauthorized access to data, compromise of the CI/CD pipeline, injection of malicious code, or disruption of the software development process.
ID:T0179
Type:Technique
Tactic:Initial Access
Summary:Exposed webHook
State:Draft
Mitigations
ID
TYPE
SUMMARY
DESCRIPTION
M1790
Mitigation
Mitigation Limit access to webhooks Limit access to WebHooks to trusted sources or IP addresses and avoid exposing them to the internet or making them publicly accessible.
Avoid making WebHook endpoints publicly accessible unless absolutely necessary. Use firewalls or access controls to limit access to WebHook endpoints and ensure that only authorized systems and users can access them.
M1791
Mitigation
Mitigation Use secure communication channels Use secure communication channels, such as HTTPS, to protect communication between WebHook endpoints and other systems.
Use encryption and secure authentication mechanisms to protect sensitive data in transit.
M1792
Mitigation
Mitigation Implement secure WebHook configurations Audit WebHook configurations to ensure that they are properly configured and secure.
Identify and remediate any misconfigurations or vulnerabilities that could be exploited by attackers.
Detections
ID
TYPE
SUMMARY
DESCRIPTION
D1510
Detection
Detection Implement Intrusion Detection System and anti-malware An intrusion detection system (IDS) is a security tool designed to detect and alert on unauthorized access to a computer system or network.
Implementing intrusion detection systems (IDS) and anti-malware software can help to identify and block malicious activity. IDS is a critical security tool that helps organizations to detect and respond to security incidents in a timely manner. By providing real-time monitoring and analysis of network traffic, IDS can help organizations to stay ahead of potential threats and reduce the risk of a security breach.
D1590
Detection
Detection Implement continuous monitoring and logging of the CI/CD process Continuous monitoring and logging of the CI/CD process can help organizations detect any unusual activities or deviations from the standard workflow.
This can include monitoring the pipeline for unusual resource requests or unauthorized access attempts, as well as analyzing logs for unusual activity that may indicate a potential security breach. By establishing a baseline of normal behavior and regularly comparing it to current activity, organizations can quickly identify and respond to any anomalous behavior. Implementing automated alerts and notifications for suspicious activity can also help security teams respond promptly to potential threats.
D1790
Detection
Detection Audit and review WebHook configurations Regularly review and audit WebHook configurations to identify any misconfigurations or vulnerabilities that could be exploited by attackers.
Detection Audit and review WebHook configurations Regularly review and audit WebHook configurations to identify any misconfigurations or vulnerabilities that could be exploited by attackers.
D1791
Detection
Detection Analyze WebHook payloads and activity Monitor WebHook activity for any unusual or suspicious activity, such as repeated or excessive requests, unexpected payloads, or unauthorized actions.
Analyze WebHook payloads to identify any signs of malicious or unauthorized activity. Look for unexpected or unusual payloads, such as payloads that include shell commands or file paths.
AppSec teams are overwhelmed by useless alerts, managing numerous applications with vulnerabilities across various kill-chain stages, making them increasingly susceptible to successful attacks.
