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Message #01943
[Bug 1410839] Re: Shell Command injection in ufw_backend.py
** Tags removed: removal-candidate
** Information type changed from Public to Public Security
** Changed in: gui-ufw (Ubuntu)
Importance: Undecided => High
** Changed in: gui-ufw (Ubuntu Vivid)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1410839
Title:
Shell Command injection in ufw_backend.py
Status in Gufw:
Fix Released
Status in gui-ufw package in Ubuntu:
Fix Released
Status in gui-ufw source package in Vivid:
Fix Committed
Bug description:
Firewall Administrators can be tricked by someone to export a profile
with Gufw to an special crafted file or path name wich contains shell
code.
reason is this line in ufw_backend.py :
def export_profile(self, profile, file):
commands.getstatusoutput('cp /etc/gufw/' + profile + '.profile ' + file + ' ; chmod 777 ' + file)
The rename and delete funktions are also unsave if profile name
contains shell code, like semicolons.
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References