extern/rclone
1
0
Fork 0
mirror of https://github.com/rclone/rclone.git synced 2024-11-24 17:34:57 +01:00
Code Issues Packages Projects Releases Wiki Activity

config: fix size computation for allocation may overflow

Browse Source
This commit is contained in:
albertony 2024-08-15 21:10:41 +02:00
parent 37c12732f9
commit e439121ab2
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/config/obscure/obscure.go
View File

@ -10,6 +10,7 @@ import (
"fmt"
"io"
"log"
"math"
)
// crypt internals
@ -47,6 +48,9 @@ func crypt(out, in, iv []byte) error {
// This is done by encrypting with AES-CTR
func Obscure(x string) (string, error) {
plaintext := []byte(x)
if math.MaxInt32-aes.BlockSize < len(plaintext) {
return "", fmt.Errorf("value too large")
}
ciphertext := make([]byte, aes.BlockSize+len(plaintext))
iv := ciphertext[:aes.BlockSize]
if _, err := io.ReadFull(cryptRand, iv); err != nil {