Adobe khac phuc loi bao mat san pham PDF

Adobe Systems vua cho phat hanh cac ban cap nhat nham khac phuc hai loi bao mat trong cac phan mem ho chuan dinh dang PDF noi tieng cua hang.

Theo nha phat trien, nhung loi bao mat noi tren khong chi anh huong den cac phien ban Adobe Acrobat va Adobe Reader chay tren nen tang he dieu hanh Windows ma ca nhung phien ban chay tren nen tang he dieu hanafh Mac OS cua Apple Computer. Neu nhung loi bao mat nay khong duoc som khac phuc, nguoi dung se phai dung truoc cac nguy co tro thanh nan nhan cua cac vu tan cong.

Loi bao mat nguy hiem nhat duoc Adobe cho khac phuc trong lan nay la mot loi "tran bo nho dem" tren cac phien ban Adobe Acrobat 6.0.4 hoac cu hon danh cho ca Windows va Mac OS. Nha phat trien da xep loi bao mat nay vao muc cuc ky nguy hiem va khuyen cao nguoi dung nen som nang cap len phien ban 6.0.5.

Mot ke tan cong ac y co the khai thac loi bao mat "tran bo nho dem" noi tren bang cach tao ra mot tep tin PDF doc hai. Neu nguoi dung mo tep tin do ra, ke tan cong se co the chiem toan bo quyen dieu khien he thong cua ho hoac ung dung Acrobat se ngung hoat dong.

Loi tran bo nho dem la mot loi bao mat thuong bi khai thac nhat. Nhung loi nay phat sinh khi mot chuong trinh ung dung cho phep du lieu duoc ghi de len phan vung cuoi cung cua bo nho dem. Mot he thong may tinh co the bi dieu khien de thuc thi cac doan ma doc hai bang cach dua them nhieu luong du lieu vao bo nho dem gay ra hien tuong tran bo nho.

Loi bao mat con lai duoc khac phuc trong lan nay anh huong den cac phien ban Adobe Reader va Adobe Acrobat tu 6.0.4 hoac cu hon chay tren nen tang he dieu hanh Mac OS. Quyen truy cap tep tin va thu muc cua ung dung co the cho phep mot tai khoan nguoi dung khong co quyen truy cap cap cao thay doi nhung tep tin quan trong cua ung dung.

"Loi bao mat nay dat ra nhung nguy co doi voi nhung he thong chia se hoac da nguoi dung," Adobe khang dinh. "Tren nhung he thong nhu vay, mot nguoi dung ac y co the loi dung loi bao mat nay de thay the cac tep tin chuong trinh bang cac tep tin doan ma doc hai co the doc, ghi hoac pha huy cac thong tin nhay cam cua nguoi khac".

Adobe khuyen cao nguoi dung nen nhanh chong nang cap len phien ban 6.0.5.

Hoang Dung - (CNet)