Cong bo ma doc tan cong Windows Mobile

Mot doan ma doc co the tan cong cac dong thiet bi di dong chay Windows Mobile thong qua mot loi bao mat trong dich vu tin nhan da phuong tien MMS vua duoc cong bo rong rai.

Loi bao mat noi tren da duoc chuyen gia nghien cuu bao mat Collin Mulliner phat hien tu hon 6 thang truoc day.

Cuoi tuan qua, ong Mulliner da quyet dinh cong bo rong rai loi bao mat nay tai Hoi nghi Chaos Communication Congress voi muc tieu tao ap luc buoc cac nha san xuat phai quan tam va khac phuc loi.

Loi bao mat dich vu tin nhan da phuong tien MMS trong Windows Mobile thuc te la mot loi tran bo nho dem trong thu tuc SMIL (Synchronized Multimedia Integration Language) van hanh MMS.

Neu su dung mot tin nhan MMS dai co "cay" phan mem doc hai, mot ke tan cong ac y hoan toan co the lam cho chiec dien thoai di dong phai ngung hoat dong.

IPAQ 6315 va i-mate PDA2K da duoc chung minh la mac loi bao mat noi tren. Tuy nhien, chuyen gia bao mat Mulliner khang dinh cac thiet bi di dong su dung Pocket PC 2003 va Windows Smartphone 2003 deu co the phai doi mat voi nguy co bi tan cong.

Trong khi do, hang bao mat F-Secure khong danh gia cao loi bao mat noi tren, boi de co the thanh cong thi ke tan cong phai biet duoc chinh xac MMS dang duoc xu ly tren bo nho nao. Chinh vi the ma loi nay khong de bi tan cong mot chut nao. Mot tin nhan MMS doc hai kieu nay chi co the lam thiet bi ngung hoat dong hon la lay nhiem ma doc.

"Mac du day la mot loi bao mat thuc su nhung no khong gay ra mot hiem hoa cho da so nguoi dung. Mac du no co the bi loi dung de tao ra mot con sau MMS hoac bat ky mot loai phan mem doc hai di dong nao nhung no se khong the lay nhiem duoc len thiet bi cua nguoi dung," Jarno Niemela - Chuyen gia nghien cuu bao mat cua F-Secure - cho biet.

Hoang Dung - (Channel Register)