[tbb-bugs] #22971 [Applications/Tor Browser]: The XPI signing mechanism needs to use different hash functions.

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Jul 18 23:15:50 UTC 2017


#22971: The XPI signing mechanism needs to use different hash functions.
--------------------------------------+--------------------------
 Reporter:  yawning                   |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  High                      |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Major                     |     Resolution:
 Keywords:  tbb-security              |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
--------------------------------------+--------------------------
Changes (by yawning):

 * keywords:   => tbb-security
 * priority:  Medium => High
 * severity:  Normal => Major


Comment:

 This is probably more an upstream issue since the practical result is
 "Extension Signing is worthless vs adversaries that can produce SHA1
 collisions".

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22971#comment:2>
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