Bruno Jesus : kernel32: Limit the environment variable size to 32767 in GetEnvironmentVariable.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 515b8bebb6dfdf173f65beda6eb5f62f7e84c87d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=515b8bebb6dfdf173f65beda6e...

Author: Bruno Jesus <00cpxxx(a)gmail.com>
Date:   Fri May 30 21:59:08 2014 -0300

kernel32: Limit the environment variable size to 32767 in GetEnvironmentVariable.

---

 dlls/kernel32/environ.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/kernel32/environ.c b/dlls/kernel32/environ.c
index b6b3124..14283f8 100644
--- a/dlls/kernel32/environ.c
+++ b/dlls/kernel32/environ.c
@@ -176,6 +176,8 @@ DWORD WINAPI GetEnvironmentVariableA( LPCSTR name, LPSTR value, DWORD size )
         return 0;
     }
 
+    /* limit the size to sane values */
+    size = min(size, 32767);
     if (!(valueW = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR))))
         return 0;