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Fix buffer overflow vulnerability (bug 1528)

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svn path=/trunk/; revision=22525
This commit is contained in:
Saveliy Tretiakov
2006-06-23 14:55:52 +00:00
parent 1cca440e58
commit abb09e14a3
1 changed files with 3 additions and 1 deletions
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reactos/base/services/umpnpmgr/umpnpmgr.c
+3 -1
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@@ -832,7 +832,9 @@ PNP_GetClassName(handle_t BindingHandle,
lstrcpyW(szKeyName, L"System\\CurrentControlSet\\Control\\Class");
lstrcatW(szKeyName, L"\\");
lstrcatW(szKeyName, ClassGuid);
if(lstrlenW(ClassGuid) < sizeof(szKeyName)-lstrlenW(szKeyName))
lstrcatW(szKeyName, ClassGuid);
else return CR_INVALID_DATA;
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
szKeyName,