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-rw-r--r--internal/form/repo.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/internal/form/repo.go b/internal/form/repo.go
index 26acb2bf..ed963307 100644
--- a/internal/form/repo.go
+++ b/internal/form/repo.go
@@ -72,6 +72,10 @@ func (f MigrateRepo) ParseRemoteAddr(user *db.User) (string, error) {
if len(f.AuthUsername)+len(f.AuthPassword) > 0 {
u.User = url.UserPassword(f.AuthUsername, f.AuthPassword)
}
+ // To prevent CRLF injection in git protocol, see https://github.com/gogs/gogs/issues/6413
+ if u.Scheme == "git" && (strings.Contains(remoteAddr, "%0d") || strings.Contains(remoteAddr, "%0a")) {
+ return "", db.ErrInvalidCloneAddr{IsURLError: true}
+ }
remoteAddr = u.String()
} else if !user.CanImportLocal() {
return "", db.ErrInvalidCloneAddr{IsPermissionDenied: true}