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Limit the MAX_SIMPLE_DICT_ENTRIES 0x200 to avoid dead lock when searching for the RpcServer (heuristic approach)

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silverf0x
2017-10-29 14:40:28 +00:00
parent e470df9ac1
commit f5a32da211
1 changed files with 2 additions and 2 deletions
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RpcCore/RpcCore.c
+2 -2
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@@ -19,7 +19,7 @@
#pragma comment(lib,"Version.lib")
#pragma comment(lib,"Userenv.lib")
#define MAX_SIMPLE_DICT_ENTRIES 0x400
#define MAX_SIMPLE_DICT_ENTRIES 0x200
#define RPC_MAX_ENDPOINT_PROTOCOL_SIZE 0x100
#define RPC_MAX_ENDPOINT_NAME_SIZE 0x100
#define RPC_MAX_DLL_NAME_SIZE 0x100
@@ -191,7 +191,7 @@ BOOL WINAPI GetRpcServerAddressCallback(HANDLE hProcess, UINT Index, VOID PTR_T
UNREFERENCED_PARAMETER(Index);
if (!ReadProcessMemory(hProcess,pSimpleDictEntry,&RpcInterface,sizeof(RpcInterface),NULL)) goto End;
if ( (RpcInterface.RpcServerInterface.Length==sizeof(RPC_SERVER_INTERFACE_T)) &&
(!memcmp(&RpcInterface.RpcServerInterface.TransferSyntax, &DceRpcSyntaxUuid, sizeof(DceRpcSyntaxUuid))))
{