Bug 1627631

Summary: Remote unauthenticated crash
Product: Red Hat Enterprise Linux 7 Reporter: Martin Pitt <mpitt>
Component: cockpitAssignee: Martin Pitt <mpitt>
Status: CLOSED ERRATA QA Contact: Jan Ščotka <jscotka>
Severity: high Docs Contact:
Priority: high    
Version: 7.6CC: toneata
Target Milestone: rc   
Target Release: 7.6   
Hardware: Unspecified   
OS: Unspecified   
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Last Closed: 2018-10-30 10:34:55 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Martin Pitt 2018-09-11 06:14:10 UTC 
Description of problem:

Accessing these URLs

https://ip_or_dns:9090/cockpit/static/%
https://ip_or_dns:9090/cockpit/static/%00

causes Cockpit to crash:

Sep 6 02:28:51 ucockpit cockpit-ws[1418]: Error: signal Segmentation fault:
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/cockpit/cockpit-ws[0x41e0be]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /lib/x86_64-linux-gnu/libc.so.6(+0x354b0)[0x7fb76da5f4b0]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /lib/x86_64-linux-gnu/libc.so.6(+0x8e06e)[0x7fb76dab806e]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/cockpit/cockpit-ws[0x422cfb]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/cockpit/cockpit-ws[0x40ff3e]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/cockpit/cockpit-ws[0x40c052]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libffi.so.6(ffi_call_unix64+0x4c)[0x7fb76cfcce40]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libffi.so.6(ffi_call+0x2eb)[0x7fb76cfcc8ab]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0(g_cclosure_marshal_generic+0x1f9)[0x7fb76ec677c9]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0(g_closure_invoke+0x145)[0x7fb76ec66fa5]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0(+0x21fc1)[0x7fb76ec78fc1]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0(g_signal_emit_valist+0xa59)[0x7fb76ec817f9]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0(g_signal_emit+0x8f)[0x7fb76ec8208f]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/cockpit/cockpit-ws[0x423c8d]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libffi.so.6(ffi_call_unix64+0x4c)[0x7fb76cfcce40]
Sep 6 02:28:51 ucockpit cockpit-ws[1418]: /usr/lib/x86_64-linux-gnu/libffi.so.6(ffi_call+0x2eb)[0x7fb76cfcc8ab]

How reproducible: Always
Comment 2 Martin Pitt 2018-09-11 06:16:09 UTC 
Fixed in 

  https://github.com/cockpit-project/cockpit/commit/feccde6a9f0
  https://github.com/cockpit-project/cockpit/commit/36285fde744
Comment 6 errata-xmlrpc 2018-10-30 10:34:55 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:3148