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advapi32: Prevent buffer overrun.

This commit is contained in:
Alistair Leslie-Hughes 2015-08-19 12:18:11 +10:00 committed by Alexandre Julliard
parent 453d71b9f7
commit 3b5107d063
1 changed files with 4 additions and 1 deletions
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5
dlls/advapi32/security.c
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@ -4512,13 +4512,15 @@ static BOOL ParseStringSecurityDescriptorToSecurityDescriptor(
{
BOOL bret = FALSE;
WCHAR toktype;
WCHAR tok[MAX_PATH];
WCHAR *tok;
LPCWSTR lptoken;
LPBYTE lpNext = NULL;
DWORD len;
*cBytes = sizeof(SECURITY_DESCRIPTOR);
tok = heap_alloc( (lstrlenW(StringSecurityDescriptor) + 1) * sizeof(WCHAR));
if (SecurityDescriptor)
lpNext = (LPBYTE)(SecurityDescriptor + 1);
@ -4640,6 +4642,7 @@ static BOOL ParseStringSecurityDescriptorToSecurityDescriptor(
bret = TRUE;
lend:
heap_free(tok);
return bret;
}