c2c-oerpscenario team mailing list archive

[Eduard Carreras i Nadal <671926@xxxxxxxxxxxxxxxxxx>]

Not sure but, with find_global = None maybe the exceptions won't be
raised, I better write a check function like in tryton[1] or nadina's
blog[2]

[1] http://hg.tryton.org/tryton/file/6bd9a2618cf4/tryton/pysocket.py
[2] http://nadiana.com/python-pickle-insecure#How_to_Make_Unpickling_Safer

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https://bugs.launchpad.net/bugs/671926

Title:
  Remote code execution

Status in OpenObject GTK Client:
  Confirmed
Status in OpenObject GTK Client 5.0 series:
  Confirmed
Status in OpenObject Web Client:
  Confirmed
Status in OpenObject Web Client 5.0 series:
  Confirmed

Bug description:
  It's possible to execute arbritrary code on client using net-rpc (pickle protocol) see http://nadiana.com/python-pickle-insecure

If you use the client to connect to some demo server and this demo server is malicious, it can send malicious code which is executed in client side.

I attach a exploit server who sends code to execute to client. Run a ls -l and redirect the output to proof_of_exploit.txt file.

This bug was fixed in the server, but not in the client.
Affects versions 4.2, 5.X and 6.X