Microsoft b?t l? h?ng MP3 ch?t ngu?i |
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Posted: 09 September 2009 at 22:34 |
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Microsoft b?t l? h?ng MP3 ch?t ngu?i
Microsoft v?a ph�t h�nh t?i 6 mi?ng v� "nghi�m tr?ng" trong khu�n kh? b?n tin b?o m?t th�ng 9, nh?m ngan ch?n nh?ng cu?c t?n c�ng ti?m t�ng qua du?ng file media v� c�c trang Web d?c.
Hai mi?ng v� MS09-045 v� MS09-046 s? nh?m t?i c�c l? h?ng d?c bi?t nguy hi?m, b?i ch�ng cho ph�p c�c m� t?n c�ng ?n n?p b�n trong m?t trang Web t? d?ng k�ch ho?t tr�n nh?ng m�y t�nh so s?nh. Trong d�, MS09-045 kh?c ph?c nhi?u phi�n b?n JScript Scripting Engine kh�c nhau v� du?c d�n nh�n "critical" cho h? di?u h�nh Windows 2000, XP, Server 2003, Vista v� Server 2008. Mi?ng v� th? hai b?t l?i m?t l? h?ng b�n trong tr�nh di?u khi?n DHTML Editing Component ActiveX v� cung du?c d�n nh�n "critical" cho Windows 2000, Windows XP. Ri�ng Windows Server 2003 ch? b? ?nh hu?ng ? m?c trung b�nh b?i l? h?ng n�y, c�n Windows Vista v� Server 2008 th� may m?n kh�ng "d�nh d?n". Ngo�i hai mi?ng v� tr�n, m?t mi?ng v� th? ba (MS09-047) ch?u tr�ch nhi?m x? l� m?t l? h?ng cung thu?c lo?i "ch?t ngu?i" b�n trong Windows Media Format. Theo h�ng b?o m?t Symantec, n?u nhu ngu?i d�ng tr�t xem ph?i m?t file .mp3, .wma ho?c .wmv d?c, quy?n ki?m so�t m�y t�nh nhi?u kh? nang s? roi v�o tay hacker. Di?n ?nh hu?ng c?a MS09-047 cung r?t r?ng. N� nh?m d?n ho?c Windows Media Format Runtime ho?c Windows Media Service tr�n n?n t?ng Windows 2000, XP, Server 2003, Vista v� Server 2008. Tuy nhi�n nh?ng h? th?ng d�ng chip Itanium v� c�i d?t Windows Server 2003 SP2 ho?c Server 2008 kh�ng b? thuong t?n b?i nguy co n�y. Mi?ng v� quan tr?ng th? tu ch?u tr�ch nhi?m ngan ch?n kh? nang hacker t?n c�ng th�ng qua vi?c l?i d?ng c�c g�i TCP/IP d?c. M?t b?c tu?ng l?a s? h?n ch? b?t nguy co b?i n� ch?n c�c g�i TCP/IP t? nh?ng ngu?n chua x�c d?nh g?i t?i. M?c d� v?y, b?n v� MS09-048 ch? nghi�m tr?ng d?i v?i c�c h? th?ng c�i Windows Vista v� Server 2008, c�n v?i nh?ng h? th?ng c�i Windows Server 2003, Windows 2000, t�nh ch?t c� d?u nh? hon. K? t?n c�ng s? ch? c� th? g�y treo m�y, thay v� gi�nh du?c quy?n ki?m so�t nhu ? Vista v� Server 2008. Cu?i c�ng, mi?ng v� th? nam kh?c ph?c m?t l? h?ng b�n trong d?ch v? Wireless Lan AutoConfig, cho ph�p hacker ch? t�c nh?ng g�i t?n c�ng d?c bi?t v� g?i ch�ng d?n m�y t�nh Windows Vista, Server 2008 th�ng qua k?t n?i kh�ng d�y d? chi?m quy?n ki?m so�t. R?t may l� c�c phi�n b?n Windows kh�c kh�ng b? ?nh hu?ng.
C�c k? thu?t vi�n n�n luu � r?ng m?t l? h?ng b?o m?t t?ng du?c c�ng b? tru?c d�y b�n trong FTP c?a D?ch v? Th�ng tin Internet Microsoft v?n chua du?c v� b?i b?n tin b?o m?t th�ng n�y. Theo gi?i truy?n th�ng, l? h?ng n�y v?n dang b? hacker n� d?n. Tr?ng C?m (Theo PCWorld) |
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