Bug 1540040 (CVE-2017-18076) - CVE-2017-18076 rubygem-omniauth: Improper protection of authenticity_token in strategy.rb via POST parameters
Summary: CVE-2017-18076 rubygem-omniauth: Improper protection of authenticity_token in...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2017-18076
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1540041
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-01-30 07:01 UTC by Sam Fowler
Modified: 2019-09-29 14:31 UTC (History)
2 users (show)

Fixed In Version: rubygem-omniauth 1.3.2
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Environment:
Last Closed: 2019-06-08 03:38:46 UTC

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Description Sam Fowler 2018-01-30 07:01:20 UTC 
In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.

External References:
https://nvd.nist.gov/vuln/detail/CVE-2017-18076

Upstream Issue:
https://github.com/omniauth/omniauth/pull/867

Upstream Patch:
https://github.com/omniauth/omniauth/pull/867/commits/71866c5264122e196847a3980c43051446a03e9b
Comment 1 Sam Fowler 2018-01-30 07:01:41 UTC 
Created rubygem-omniauth tracking bugs for this issue:

Affects: fedora-all [bug 1540041]
Comment 2 Product Security DevOps Team 2019-06-08 03:38:46 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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