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[tor-bugs] #23527 [Internal Services/Tor Sysadmin Team]: Our web server is probably vulnerable to slowloris attack



#23527: Our web server is probably vulnerable to slowloris attack
-----------------------------------------------------+-----------------
     Reporter:  gk                                   |      Owner:  tpa
         Type:  defect                               |     Status:  new
     Priority:  Medium                               |  Milestone:
    Component:  Internal Services/Tor Sysadmin Team  |    Version:
     Severity:  Normal                               |   Keywords:
Actual Points:                                       |  Parent ID:
       Points:                                       |   Reviewer:
      Sponsor:                                       |
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 We got a HackerOne bug report about some web server vulnerability (it
 seems to be not hardened against slowloris attacks):

 | http-slowloris-check:

 | VULNERABLE:

 | Slowloris DOS attack

 | State: LIKELY VULNERABLE

 | IDs: CVE:CVE-2007-6750

 | Slowloris tries to keep many connections to the target web server open
 and hold

 | them open as long as possible. It accomplishes this by opening
 connections to

 | the target web server and sending a partial request. By doing so, it
 starves

 | the http server's resources causing Denial Of Service.

 See the attachment for more information about what they tested

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23527>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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