When using CyberDuck 4.6 on OS X 10.01.1 and accessing SFTP shares on Windows 2008R2, write permissions are denied and CyberDuck crashes when selecting Edit with...

Crash log -
Process:               Cyberduck [4022]
Path:                  /Applications/Cyberduck.app/Contents/MacOS/Cyberduck
Identifier:            ch.sudo.cyberduck
Version:               4.6 (15810)
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           Cyberduck [4022]
User ID:               504

Date/Time:             2014-11-25 11:48:03.128 -0500
OS Version:            Mac OS X 10.10.1 (14B25)
Report Version:        11
Anonymous UUID:        xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx

Sleep/Wake UUID:       xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx

Time Awake Since Boot: 72000 seconds
Time Since Wake:       2000 seconds

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGABRT)
Exception Codes:       KERN_PROTECTION_FAILURE at 0x00000001000fa000

VM Regions Near 0x1000fa000:
    VM_ALLOCATE            00000001000f9000-00000001000fa000 [    4K] r--/rw- SM=SHM  
--> VM_ALLOCATE            00000001000fa000-00000001000fb000 [    4K] r--/rwx SM=PRV  
    Image IO               00000001000fb000-00000001000fc000 [    4K] rw-/rwx SM=PRV  

Application Specific Information:
*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid parameter not satisfying: aString != nil'
terminating with uncaught exception of type NSException
abort() called

Application Specific Backtrace 1:
0   CoreFoundation                      0x00007fff915a264c __exceptionPreprocess + 172
1   libobjc.A.dylib                     0x00007fff922eb6de objc_exception_throw + 43
2   CoreFoundation                      0x00007fff915a242a +[NSException raise:format:arguments:] + 106
3   Foundation                          0x00007fff8d5895b9 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 195
4   AppKit                              0x00007fff889b6ad4 -[NSMenuItem setTitle:] + 135
5   libjnidispatch.dylib                0x000000010b06694c ffi_call_unix64 + 76
6   ???                                 0x00007fff5fbf9040 0x0 + 140734799777856

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	0x00007fff927e4282 __pthread_kill + 10
1   libsystem_c.dylib             	0x00007fff83bd3b73 abort + 129
2   libc++abi.dylib               	0x00007fff862fda21 abort_message + 257
3   libc++abi.dylib               	0x00007fff863259d1 default_terminate_handler() + 267
4   libobjc.A.dylib               	0x00007fff922ef6c6 _objc_terminate() + 103
5   libc++abi.dylib               	0x00007fff863230a1 std::__terminate(void (*)()) + 8
6   libc++abi.dylib               	0x00007fff86322b30 __cxa_throw + 121
7   libobjc.A.dylib               	0x00007fff922eb808 objc_exception_throw + 341
8   com.apple.CoreFoundation      	0x00007fff915a242a +[NSException raise:format:arguments:] + 106
9   com.apple.Foundation          	0x00007fff8d5895b9 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 195
10  com.apple.AppKit              	0x00007fff889b6ad4 -[NSMenuItem setTitle:] + 135
11  libjnidispatch.dylib          	0x000000010b06694c ffi_call_unix64 + 76
12  libjnidispatch.dylib          	0x000000010b066456 ffi_call + 630
13  libjnidispatch.dylib          	0x000000010b05d2f5 Java_com_sun_jna_Native_ffi_1prep_1cif + 1621
14  libjnidispatch.dylib          	0x000000010b05d772 Java_com_sun_jna_Native_invokeVoid + 34
15  ???                           	0x0000000102dfc9ce 0 + 4343187918
16  ???                           	0x0000000102d7e6c8 0 + 4342671048