[tbb-bugs] #26705 [Applications/Tor Browser]: BUG Report ! Use after Free Vulnerability

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Jul 27 14:20:16 UTC 2018

#26705: BUG Report ! Use after Free Vulnerability
 Reporter:  t4rkd3vilz                |          Owner:  tbb-team
     Type:  project                   |         Status:  closed
 Priority:  Very High                 |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:  invalid
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
Changes (by gk):

 * status:  needs_information => closed
 * resolution:   => invalid


 So, it seems both examples are more or less copy-and-pasted: the first
 example code from https://www.exploit-db.com/exploits/41660/ aka
 https://bugzilla.mozilla.org/show_bug.cgi?id=1340138 and the second one
 from http://www.signalsec.com/publications/UseAfterFree-Exploiting.pdf.
 The former got fixes a while ago and the latter seemed to affect IE 11,
 which is why neither crashes Tor Browser. Thus, closing as invalid.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26705#comment:4>
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