Cleartext Transmission of Sensitive Information (CWE-319)

Cleartext Transmission of Sensitive Information

The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.

Many communication channels can be sniffed by attackers during data transmission. When sensitive data is transmitted without encryption, an attacker can intercept and read this information. Secure channels like TLS should be used to protect sensitive data in transit.

보급률

높음

자주 악용됨

영향

높음

5개의 높은 심각도 규칙

예방

문서화됨

6개의 수정 예시

2 예방

이 취약점을 수정하는 방법

🐹 Go 모두 보기 Go 자세히 →

Echo Running Without TLS HIGH

Use StartTLS instead of Start to enable HTTPS encryption

+1 -1 go

  package main
  
  import "github.com/labstack/echo/v4"
  
  func main() {
      e := echo.New()
      e.POST("/api/login", loginHandler)
-     e.Start(":8080")
+     e.StartTLS(":443", "cert.pem", "key.pem")
  }

Fiber Running Without TLS HIGH

Use ListenTLS instead of Listen to enable HTTPS encryption

+1 -1 go

  package main
  
  import "github.com/gofiber/fiber/v2"
  
  func main() {
      app := fiber.New()
      app.Post("/api/login", loginHandler)
-     app.Listen(":3000")
+     app.ListenTLS(":443", "cert.pem", "key.pem")
  }

Gin Running Without TLS LOW

Use RunTLS instead of Run to enable HTTPS encryption

+1 -1 go

  package main
  
  import "github.com/gin-gonic/gin"
  
  func main() {
      r := gin.Default()
      r.POST("/api/login", loginHandler)
-     r.Run(":8080")
+     r.RunTLS(":443", "cert.pem", "key.pem")
  }

☸️ Kubernetes 모두 보기 Kubernetes 자세히 →

Ingress Missing TLS Configuration HIGH

Configure TLS on Ingress resources to encrypt traffic in transit

+8 -1 yaml

  apiVersion: networking.k8s.io/v1
  kind: Ingress
- spec:
+ metadata:
+   annotations:
+     cert-manager.io/cluster-issuer: letsencrypt-prod
+ spec:
+   tls:
+   - hosts:
+     - example.com
+     secretName: example-tls
    rules:
    - host: example.com
      http:
        paths:
        - path: /
          pathType: Prefix
          backend:
            service:
              name: web
              port:
                number: 80

Insecure TLS Verification Disabled HIGH

Remove insecure-skip-tls-verify and use proper certificate verification with CA certificates

+1 -1 yaml

  apiVersion: v1
  clusters:
  - cluster:
      server: https://192.168.0.100:8443
-     insecure-skip-tls-verify: true
+     certificate-authority: /path/to/ca.crt
    name: my-cluster
  kind: Config

🐍 Python 모두 보기 Python 자세히 →

HTTP Used Instead of HTTPS HIGH

Use HTTPS for all external requests and enable SSL redirect in frameworks

+2 -2 python

  import requests
  
- API_URL = "http://api.example.com"
- response = requests.get(f"{API_URL}/data")
+ API_URL = "https://api.example.com"
+ response = requests.get(f"{API_URL}/data", verify=True, timeout=10)

3 탐지

코드에서 취약점 찾기

Shoulder를 사용하여 코드에서 Cleartext Transmission of Sensitive Information 패턴을 스캔하세요. 6 규칙.

터미널

# Scan with Shoulder CLI
npx @shoulderdev/cli trust --cwe=319

# Or scan entire project
npx @shoulderdev/cli trust .

탐지 규칙 (6)

🐹 Go 3 rules

Echo Running Without TLS HIGH

Echo server running over HTTP instead of HTTPS.

Fiber Running Without TLS HIGH

Fiber server running over HTTP instead of HTTPS.

Gin Running Without TLS LOW

Gin server running over HTTP instead of HTTPS.

📄 Yaml 2 rules

Ingress Missing TLS Configuration HIGH

Detects Kubernetes Ingress resources without TLS configuration.

Insecure TLS Verification Disabled HIGH

Detects when TLS certificate verification is disabled in Kubernetes configurations.

☸️ Kubernetes 1 rules

Ingress Missing TLS Configuration HIGH

Detects Kubernetes Ingress resources without TLS configuration.

🐍 Python 1 rules

HTTP Used Instead of HTTPS HIGH

Detects use of unencrypted HTTP for sensitive operations like API calls, authentication, payment processing, or data transmission. HTTP traffic is sent in cleartext and can be intercepted. Always use HTTPS.

4 경고 신호

코드 리뷰에서 주의할 점

이 패턴은 잠재적인 Cleartext Transmission of Sensitive Information 취약점을 나타냅니다. 코드 리뷰와 보안 감사 중에 찾아보세요.

🟠

Ingress exposes HTTP traffic without TLS encryption kubernetes-ingress-missing-tls

🟠

Kubernetes Ingress resources without TLS configuration kubernetes-ingress-missing-tls

🟠

TLS certificate verification disabled (vulnerable to MITM attacks) kubernetes-skip-tls-verify

🟠

when TLS certificate verification is disabled in Kubernetes configurations kubernetes-skip-tls-verify

🟠

use of unencrypted HTTP for sensitive operations like API calls, authentication, payment processing, python-http-not-https

🔍

코드베이스를 스캔하세요: Cleartext Transmission of Sensitive Information

Shoulder CLI는 전체 코드베이스에서 취약한 패턴을 찾아냅니다.

npx shoulder trust 모든 규칙 보기