When running Rex HTTP client calls across pivots, pivot sockets
can get closed by the remote server, resulting in a closed :conn
object within the client object. The clients :close method calls
self.conn.shutdown which raises an 'IOError closed stream' on what
is effectively a TCPSocket object in a closed state (under the Rex
abstraction).
Resolve by moving the self.conn.closed? check into the conditional
just above the :shutdown call, and remove if from the underlying
:close call as calling :close on an already closed TCPSocket
returns nil as opposed to throwing an exception like the :shutdown
method.
RFC-7230 states that a Content-Length header is normally sent in
a POST request even when the value (length) is 0, indicating an
empty payload body. Rex HTTP client failed to follow this spec,
and caused some modules to fail (such as winrm_login).
Fix#6398
This patches changes two things:
1. If a module has a custom Content-Length, it will respect that
instead of forcing its own.
2. If a request does not have anything in the body, the
Content-Length header will not be set.
Fix#6609Fix#6587
When the local workstation name is less than 6 characters, remote
authentication against a Windows 2008r2 WinRM service always fails. This
doesn't seem to affect authentication against IIS's negotiate
implementation.
'hex-all' encoding was previously ignoring slashes.
This pull adds 'hex-noslashes' mode which carries forward the previous functionality, and replaces all existing references to 'hex-all' with 'hex-noslashes' It then adds a replacement 'hex-all' mode, which really encodes *ALL* characters.
This commit changes how os_name and os_flavor are handled
for client-side exploits, matching recent changes to the
server-side exploits and scanner fingerprints.
This commit also updates the client-side fingerprinting to
take into account Windows 8.1 and IE 9, 10, and 11.
Brent Cook
RageLtMan
Anderson
William Vu
Christian Mehlmauer
wchen-r7
Jin Qian
James Lee
Adam Cammack
rwhitcroft
Jon Hart
rwhitcroft
HD Moore
jvazquez-r7
Jeff Jarmoc
joev