Cisco bit mot loat lo hong trong IOS

Cisco hom 9/5 lai phai phat hanh ban cap nhat bao mat de khac phuc hai loi bao mat mat nghiem trong trong phan mem IOS duoc su dung tren phan lon cac san pham router va switch mang cua hang.

Nha san xuat cho biet nhung loi bao mat duoc khac phuc lan nay phat sinh trong tinh nang IOS FTP Server. Neu khai thac thanh cong nhung loi bao mat tin tac co the qua mat duoc rao chan chung thuc, doat mat khau bao ve thiet bi va to chuc tan cong bang ma doc.

Loi thu nhat la loi IOS khong the kiem tra chung thuc nguoi dung co the bi tin tac loi dung de doat quyen truy cap bat hop phap vao thiet bi va tang quyen uu tien truy cap.

Loi con lai co the bi loi dung tan cong bang cach gui mot tep tin doc hai toi thiet bi thong qua giao thuc FTP tao dieu kien giup chung to chuc tan cong tu choi dich vu len thiet bi.

Cac phien ban IOS mac loi gom 11.3, 12.0, 12.1, 12.2, 12.3 va 12.4. Tuy nhien, tam anh huong cua nhung loi bao mat la khong lon boi ve mac dinh khong phai luc nao FTP Server cung duoc kich hoat.

Nha san xuat khuyen cao nguoi dung nen tai ve cac ban cap nhat sua loi cang som cang tot.

Hoang Dung - (CRN)