Do not create a file with too much permissions

문서 > 코드 분석 > Static Analysis Rules > Do not create a file with too much permissions

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Metadata

ID: go-security/write-file-permissions

Language: Go

Severity: Warning

Category: Security

CWE: 284

Description

Granting write access to a file is a security since other users can modify the content of the file. The issue is amplified for executable files that can be easily compromised (like scripts). Avoid giving write permissions to others to files.

Learn More

CWE-284: Improper Access Control

Non-Compliant Code Examples

package main

import (
	"fmt"
	"os"
)

func main() {
	d1 := []byte("something somethingn")
	err := ioutil.WriteFile("myfile", d1, 0777)
	check(err)
}

Compliant Code Examples

package main

import (
	"fmt"
	"os"
)

func main() {
	d1 := []byte("something somethingn")
	err := ioutil.WriteFile("myfile", d1, 0770)
	check(err)
}