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Bug 1534027 - (CVE-2018-1000119) CVE-2018-1000119 rack-protection: Timing attack in authenticity_token.rb
CVE-2018-1000119 rack-protection: Timing attack in authenticity_token.rb
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20150525,repor...
: Security
Depends On: 1534028 1554872 1558382 1559343 1559344 1534029 1557252 1557253 1557634 1557635 1557636 1557637 1557638 1557639 1557640 1559345
Blocks: 1551974
  Show dependency tree / graph
 
Reported: 2018-01-12 15:49 EST by Laura Pardo
Modified: 2018-09-23 22:13 EDT (History)
45 users (show)

See Also:
Fixed In Version: rack-protection 2.0.0.rc3
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RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:1060 None None None 2018-04-10 05:11 EDT

  None (edit)
Description Laura Pardo 2018-01-12 15:49:16 EST 
A flaw was found in rack-protection. Versions prior to 2.0.0.rc3 of the package are vulnerable to Timing Attack due to time-variable comparison of signatures. A malicious user can guess a valid signature one char at a time by considering the time it takes a signature validation to fail.

References:
https://snyk.io/vuln/SNYK-RUBY-SINATRA-20470
https://snyk.io/vuln/SNYK-RUBY-RACKPROTECTION-20395

Patch:
https://github.com/sinatra/sinatra/commit/8aa6c42ef724f93ae309fb7c5668e19ad547eceb
Comment 1 Laura Pardo 2018-01-12 15:50:24 EST 
Created rubygem-rack-protection tracking bugs for this issue:

Affects: epel-7 [bug 1534028]
Affects: fedora-26 [bug 1534029]
Comment 6 Adam Mariš 2018-03-13 09:42:41 EDT 
Created pcs tracking bugs for this issue:

Affects: openstack-rdo [bug 1554872]
Comment 18 errata-xmlrpc 2018-04-10 05:10:49 EDT 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:1060 https://access.redhat.com/errata/RHSA-2018:1060
Comment 19 Andrej Nemec 2018-05-14 08:25:49 EDT 
Statement:

This issue affects the versions of rubygem-rack-protection as shipped with Red Hat Satellite 6. Red Hat Product Security has rated this issue as having security impact of Low. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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