On 27.12.2015 19:35, Bernd Dietzel wrote: > Demo what may happen when someone does a copy and paste of an FTPS Path. > https://youtu.be/LeA6W3s-Q80 >
of course you replicated the issue with the latest 0.7.06 release before complaining in length via video, right? in 0.7.06 lftp simply chokes on it. feel free to open another bug to fix the lftp backend wrt that. ..ede/duply.net -- You received this bug notification because you are a member of duplicity-team, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/1520691 Title: Shell Code Injection in hsi backend Status in Duplicity: Fix Released Bug description: https://bugs.launchpad.net/ubuntu/+source/duplicity/+bug/1519103 The "hsi" backend of duplicity is vulnerabe to code injections. It uses os.popen3() with should be replaced with subprocess.Popen(). Thank you. File : ------- /usr/lib/python2.7/dist-packages/duplicity/backends/hsibackend.py This is the function witch is vulnerable : ------------------------------------------------------------ def _list(self): commandline = '%s "ls -l %s"' % (hsi_command, self.remote_dir) l = os.popen3(commandline)[2].readlines()[3:] Exploit Demo : ============ On the Terminal type in : $ duplicity 'hsi://bug/";xeyes;"/test/' /tmp/bug --> This will start the program xeyes , but should not. I attached a screenshot of the exploit demo. To manage notifications about this bug go to: https://bugs.launchpad.net/duplicity/+bug/1520691/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~duplicity-team Post to : [email protected] Unsubscribe : https://launchpad.net/~duplicity-team More help : https://help.launchpad.net/ListHelp
