Mercurial > vim
view src/proto/mouse.pro @ 33863:3b8089d550eb v9.0.2141
patch 9.0.2141: [security]: buffer-overflow in suggest_trie_walk
Commit: https://github.com/vim/vim/commit/0fb375aae608d7306b4baf9c1f906961f32e2abf
Author: Christian Brabandt <cb@256bit.org>
Date: Wed Nov 29 10:23:39 2023 +0100
patch 9.0.2141: [security]: buffer-overflow in suggest_trie_walk
Problem: [security]: buffer-overflow in suggest_trie_walk
Solution: Check n before using it as index into byts array
Basically, n as an index into the byts array, can point to beyond the byts
array. So let's double check, that n is within the expected range after
incrementing it from sp->ts_curi and bail out if it would be invalid.
Reported by @henices, thanks!
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sun, 10 Dec 2023 15:16:03 +0100 |
parents | 8fc442c731ca |
children |
line wrap: on
line source
/* mouse.c */ void mouse_set_vert_scroll_step(long step); void mouse_set_hor_scroll_step(long step); int do_mouse(oparg_T *oap, int c, int dir, long count, int fixindent); void ins_mouse(int c); void ins_mousescroll(int dir); int is_mouse_key(int c); int get_mouse_button(int code, int *is_click, int *is_drag); int get_pseudo_mouse_code(int button, int is_click, int is_drag); void set_mouse_termcode(int n, char_u *s); void del_mouse_termcode(int n); void setmouse(void); int mouse_has(int c); int mouse_model_popup(void); void reset_dragwin(void); int jump_to_mouse(int flags, int *inclusive, int which_button); int do_mousescroll_horiz(long_u leftcol); void nv_mousescroll(cmdarg_T *cap); void nv_mouse(cmdarg_T *cap); void reset_held_button(void); int check_termcode_mouse(char_u *tp, int *slen, char_u *key_name, char_u *modifiers_start, int idx, int *modifiers); int mouse_comp_pos(win_T *win, int *rowp, int *colp, linenr_T *lnump, int *plines_cache); win_T *mouse_find_win(int *rowp, int *colp, mouse_find_T popup); int vcol2col(win_T *wp, linenr_T lnum, int vcol, colnr_T *coladdp); void f_getmousepos(typval_T *argvars, typval_T *rettv); /* vim: set ft=c : */