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Go

Go static code analysis

Unique rules to find Bugs, Vulnerabilities, Security Hotspots, and Code Smells in your GO code

  • All rules 70
  • Vulnerability20
  • Bug7
  • Security Hotspot14
  • Code Smell29
 
Tags
    Impact
      Clean code attribute
        1. Hard-coded secrets are security-sensitive

           Security Hotspot
        2. Constructing arguments of system commands from user input is security-sensitive

           Security Hotspot
        3. Using publicly writable directories is security-sensitive

           Security Hotspot
        4. Using clear-text protocols is security-sensitive

           Security Hotspot
        5. Using weak hashing algorithms is security-sensitive

           Security Hotspot
        6. Delivering code in production with debug features activated is security-sensitive

           Security Hotspot
        7. Searching OS commands in PATH is security-sensitive

           Security Hotspot
        8. Creating cookies without the "HttpOnly" flag is security-sensitive

           Security Hotspot
        9. Setting loose POSIX file permissions is security-sensitive

           Security Hotspot
        10. Using pseudorandom number generators (PRNGs) is security-sensitive

           Security Hotspot
        11. Creating cookies without the "secure" flag is security-sensitive

           Security Hotspot
        12. Formatting SQL queries is security-sensitive

           Security Hotspot
        13. Hard-coded credentials are security-sensitive

           Security Hotspot
        14. Using hardcoded IP addresses is security-sensitive

           Security Hotspot

        Creating cookies without the "secure" flag is security-sensitive

        intentionality - complete
        security
        Security Hotspot
        • cwe
        • privacy

        When a cookie is protected with the secure attribute set to true it will not be send by the browser over an unencrypted HTTP request and thus cannot be observed by an unauthorized person during a man-in-the-middle attack.

        Ask Yourself Whether

        • the cookie is for instance a session-cookie not designed to be sent over non-HTTPS communication.
        • it’s not sure that the website contains mixed content or not (ie HTTPS everywhere or not)

        There is a risk if you answered yes to any of those questions.

        Recommended Secure Coding Practices

        • It is recommended to use HTTPs everywhere so setting the secure flag to true should be the default behaviour when creating cookies.
        • Set the secure flag to true for session-cookies.

        Sensitive Code Example

        For Go Standard Library:

        import "net/http"
        
        func handler(w http.ResponseWriter, req *http.Request) {
            cookie := http.Cookie{}
            cookie.Name = "cookiename"
            cookie.Value = "cookievalue"
            http.SetCookie(w, &cookie) // Sensitive: Secure is false by default
        }
        

        For Beego:

        import "github.com/beego/beego/v2/server/web"
        
        func (ctrl *MainController) handler() {
            ctrl.Ctx.SetCookie("name1", "value1", 200, "/", "example.com", false, false) // Sensitive
        }
        

        For Fiber:

        import "github.com/gofiber/fiber/v2"
        
        func handler(c *fiber.Ctx) error {
            cookie := new(fiber.Cookie)
            cookie.Name = "name"
            cookie.Value = "value"
            c.Cookie(cookie) // Sensitive: Secure is false by default
            return c.SendString("")
        }
        

        For Gin:

        import "github.com/gin-gonic/gin"
        
        func handler(c *gin.Context) {
            c.SetCookie("name", "value", 200, "/", "example.com", false, false) // Sensitive
            c.JSON(http.StatusOK, gin.H{"message": ""})
        }
        

        Compliant Solution

        For Go Standard Library:

        import "net/http"
        
        func handler(w http.ResponseWriter, req *http.Request) {
            cookie := http.Cookie{}
            cookie.Name = "cookiename"
            cookie.Value = "cookievalue"
            cookie.Secure = true
            http.SetCookie(w, &cookie)
        }
        

        For Beego:

        import "github.com/beego/beego/v2/server/web"
        
        func (ctrl *MainController) handler() {
            ctrl.Ctx.SetCookie("name1", "value1", 200, "/", "example.com", true, false)
        }
        

        For Fiber:

        import "github.com/gofiber/fiber/v2"
        
        func handler(c *fiber.Ctx) error {
            cookie := new(fiber.Cookie)
            cookie.Name = "name"
            cookie.Value = "value"
            cookie.Secure = true
            c.Cookie(cookie)
            return c.SendString("")
        }
        

        For Gin:

        import "github.com/gin-gonic/gin"
        
        func handler(c *gin.Context) {
            c.SetCookie("name", "value", 200, "/", "example.com", true, false)
            c.JSON(http.StatusOK, gin.H{"message": ""})
        }
        

        See

        • OWASP - Top 10 2021 Category A4 - Insecure Design
        • OWASP - Top 10 2021 Category A5 - Security Misconfiguration
        • OWASP - Top 10 2017 Category A3 - Sensitive Data Exposure
        • CWE - CWE-311 - Missing Encryption of Sensitive Data
        • CWE - CWE-315 - Cleartext Storage of Sensitive Information in a Cookie
        • CWE - CWE-614 - Sensitive Cookie in HTTPS Session Without 'Secure' Attribute
        • STIG Viewer - Application Security and Development: V-222576 - The application must set the secure flag on session cookies.
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          in your IDE
        • SonarQube CloudDetect issues in your GitHub, Azure DevOps Services, Bitbucket Cloud, GitLab repositories
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          on-premise CI

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