[tbb-bugs] #13056 [Applications/Tor Browser]: Some stack canaries are still missing on Tor Browser binaries

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu May 9 10:08:05 UTC 2019


#13056: Some stack canaries are still missing on Tor Browser binaries
--------------------------------------+-----------------------------------
 Reporter:  gk                        |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-security              |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+-----------------------------------

Comment (by boklm):

 The current list of binaries that we skip in our `readelf_stack_canary`
 test is:
 {{{
             abicheck
             gtk2/libmozgtk.so
             libmozalloc.so
             libmozgtk.so
             libnssckbi.so
             libplc4.so
             libplds4.so
             TorBrowser/Tor/libstdc++/libstdc++.so.6
             TorBrowser/Tor/PluggableTransports/Crypto/Cipher/_ARC4.so
             TorBrowser/Tor/PluggableTransports/Crypto/Cipher/_XOR.so
             TorBrowser/Tor/PluggableTransports/Crypto/Util/_counter.so
             TorBrowser/Tor/PluggableTransports/fte/cDFA.so
             TorBrowser/Tor/PluggableTransports/meek-client-torbrowser
 TorBrowser/Tor/PluggableTransports/twisted/python/_initgroups.so
             TorBrowser/Tor/PluggableTransports/twisted/runner/portmap.so
             TorBrowser/Tor/PluggableTransports/twisted/test/raiser.so
 TorBrowser/Tor/PluggableTransports/zope/interface/_zope_interface_coptimizations.so
             TorBrowser/Tor/PluggableTransports/meek-client
             TorBrowser/Tor/PluggableTransports/obfs4proxy
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13056#comment:23>
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