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CVE-2022-2264: patch 9.0.0011: reading beyond the end of the line with put command · vim/vim@d25f003
Heap-based Buffer Overflow in GitHub repository vim/vim prior to 9.0.
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patch 9.0.0011: reading beyond the end of the line with put command
Problem: Reading beyond the end of the line with put command. Solution: Adjust the end mark position.
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1 parent b0375d4 commit d25f003342aca9889067f2e839963dfeccf1fe05
Showing 3 changed files with 16 additions and 0 deletions.
- register.c
- test_put.vim
- version.c
@@ -1918,6 +1918,8 @@ do_put(
vim_memset(ptr, ' ', (size_t)spaces);
ptr += spaces;
}
else
totlen -= spaces; // didn’t use these spaces
}
// may insert some spaces after the new text
@@ -219,5 +219,17 @@ func Test_put_empty_register()
bwipe!
endfunc
" this was putting the end mark after the end of the line
func Test_put_visual_mode()
edit! SomeNewBuffer
set selection=exclusive
exe “norm o\t”
m0
sil! norm pp
bwipe!
set selection&
endfunc
" vim: shiftwidth=2 sts=2 expandtab
@@ -735,6 +735,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
11,
/**/
10,
/**/
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