[20425] 2020-12-24_CVE-2020-0986WindowssplWOW64权限提升

文档创建者:s7ckTeam
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最后更新:2025-01-18
2020-12-24_CVE-2020-0986WindowssplWOW64权限提升 C V E - 2 0 2 0 - 0 9 8 6   W i n d o w s :   s p l W O W 6 4   K h a n   2 0 2 0 - 1 2 - 2 4 W i n d o w s :   s p l W O W 6 4   W i n d o w s   1 0   2 0 0 4   ( 1 9 0 4 1 . 5 0 8 )   W i n d o w s   1 0   2 0 0 4   ( 1 9 0 4 1 . 5 0 8 ) C V E - 2 0 2 0 - 0 9 8 6 [ 1 ] s p l w o w 6 4 . e x e ( ) L P C s p l w o w 6 4 m e m c p y < =   0 x 7 F F F F F F F +   < =   0 x 7 F F F F F F F S p l w o w 6 4 L P C G d i P r i n t e r T h u n k m e m c p y 0 x 6 D C V E - 2 0 2 0 - 0 9 8 6 C V E - 2 0 2 0 - 0 9 8 6 h t t p s : / / s e c u r e l i s t . c o m / o p e r a t i o n - p o w e r f a l l - c v e - 2 0 2 0 - 0 9 8 6 - a n d - v a r i a n t s / 9 8 3 2 9 /   0 x 4 2 4 2 4 2 4 2 4 2 4 2 4 2 0 x 4 1 4 1 4 1 4 1 P O C V i s u a l   S t u d i o x 6 4 L P C P O C i c a c l s   s p l w o w 6 4 _ p o c . e x e   / s e t i n t e g r i t y l e v e l   L   C r e a t e D C . e x e s p l w o w 6 4 _ p o c . e x e C r e a t e D C . e x e x 8 6 C r e a t e D C A s p l w o w 6 4 . e x e 便 C r e a t e D C . e x e x 6 4 / R e l e a s e C r e a t e D C A ( " M i c r o s o f t   X P S   D o c u m e n t   W r i t e r " " M i c r o s o f t   X P S   D o c u m e n t   W r i t e r " 0 0 ) c m d P O C ( V i s u a l   S t u d i o C r e a t e D C . e x e ) s p l w o w 6 4 _ p o c . e x e P O C C V E - 2 0 2 0 - 0 9 8 6 P O C m e m c p y D e b u g   L o g : B r e a k p o i n t   0   h i t g d i 3 2 f u l l ! G d i P r i n t e r T h u n k + 0 x 6 8 f : 0 0 0 0 7 f f b ` 3 d e 8 a 5 1 f   e 8 e f a f 0 0 0 0             c a l l         g d i 3 2 f u l l ! m e m c p y   ( 0 0 0 0 7 f f b ` 3 d e 9 5 5 1 3 )
h t t p s : / / b u g s . c h r o m i u m . o r g / p / p r o j e c t - z e r o / i s s u e s / d e t a i l ? i d = 2 0 9 6 h t t p s : / / g o o g l e p r o j e c t z e r o . b l o g s p o t . c o m / p / r c a - c v e - 2 0 2 0 - 0 9 8 6 . h t m l h t t p s : / / s e c u r e l i s t . c o m / o p e r a t i o n - p o w e r f a l l - c v e - 2 0 2 0 - 0 9 8 6 - a n d - v a r i a n t s / 9 8 3 2 9 / h t t p s : / / w w w . a n q u a n k e . c o m / v u l / i d / 2 0 3 5 0 0 5 0 : 0 0 7 >   r r a x = 0 0 0 0 0 0 0 0 0 2 4 e 6 8 1 0   r b x = 0 0 0 0 0 0 0 0 0 2 4 e 6 6 c 0   r c x = 0 0 0 0 0 0 0 0 4 1 4 1 4 1 4 1 r d x = 0 0 0 0 0 0 0 0 0 0 b 2 0 2 0 0   r s i = 0 0 0 0 0 0 0 0 0 0 b 2 0 0 8 8   r d i = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 r i p = 0 0 0 0 7 f f b 3 d e 8 a 5 1 f   r s p = 0 0 0 0 0 0 0 0 0 2 4 5 f 7 6 0   r b p = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   r 8 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8     r 9 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0   r 1 0 = 0 0 0 0 0 f f f 6 3 7 5 5 1 f d r 1 1 = 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0   r 1 2 = 0 0 0 0 7 f f b 1 b a a 8 f e 0   r 1 3 = 0 0 0 0 0 0 0 0 0 0 7 8 5 5 6 0 r 1 4 = 0 0 0 0 0 0 0 0 0 0 7 2 d 2 d 0   r 1 5 = 0 0 0 0 7 f f b 3 d e 6 0 0 0 0 i o p l = 0                   n v   u p   e i   n g   n z   a c   p o   c y c s = 0 0 3 3     s s = 0 0 2 b     d s = 0 0 2 b     e s = 0 0 2 b     f s = 0 0 5 3     g s = 0 0 2 b                           e f l = 0 0 0 0 0 2 9 7 g d i 3 2 f u l l ! G d i P r i n t e r T h u n k + 0 x 6 8 f : 0 0 0 0 7 f f b ` 3 d e 8 a 5 1 f   e 8 e f a f 0 0 0 0             c a l l         g d i 3 2 f u l l ! m e m c p y   ( 0 0 0 0 7 f f b ` 3 d e 9 5 5 1 3 ) 0 : 0 0 7 >   d p   r d x 0 0 0 0 0 0 0 0 ` 0 0 b 2 0 2 0 0     4 2 4 2 4 2 4 2 ` 4 2 4 2 4 2 4 2   0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ` 0 0 b 2 0 2 1 0     0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0   0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ` 0 0 b 2 0 2 2 0     0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0   0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ` 0 0 b 2 0 2 3 0     0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0   0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ` 0 0 b 2 0 2 4 0     0 0 0 4 0 0 0 4 ` 0 0 0 0 0 0 0 0   0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ` 0 0 b 2 0 2 5 0     0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0   0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ` 0 0 b 2 0 2 6 0     0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0   0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ` 0 0 b 2 0 2 7 0     0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0   0 0 0 0 0 0 0 0 ` 0 0 0 0 0 0 0 0 0 : 0 0 7 >   g ( 3 2 6 8 . 2 e 8 8 ) :   A c c e s s   v i o l a t i o n   -   c o d e   c 0 0 0 0 0 0 5   ( f i r s t   c h a n c e ) F i r s t   c h a n c e   e x c e p t i o n s   a r e   r e p o r t e d   b e f o r e   a n y   e x c e p t i o n   h a n d l i n g . T h i s   e x c e p t i o n   m a y   b e   e x p e c t e d   a n d   h a n d l e d . u c r t b a s e ! m e m c p y + 0 x 8 b : 0 0 0 0 7 f f b ` 3 e 3 e 8 3 6 b   4 8 8 9 0 8                     m o v           q w o r d   p t r   [ r a x ] , r c x   d s : 0 0 0 0 0 0 0 0 ` 4 1 4 1 4 1 4 1 = ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
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