Bug 1886554 (CVE-2020-8264) - CVE-2020-8264 rubygem-actionpack: possible XSS vulnerability in Action Pack in development mode
Summary: CVE-2020-8264 rubygem-actionpack: possible XSS vulnerability in Action Pack i...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2020-8264
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1886555
TreeView+ depends on / blocked
 
Reported: 2020-10-08 18:22 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-12-14 18:47 UTC (History)
30 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2020-10-09 20:21:12 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2020-10-08 18:22:44 UTC 
There is a possible XSS vulnerability in Action Pack while the application server is in development mode. This vulnerability is in the Actionable Exceptions middleware.

Reference:
https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJ
Comment 3 Yadnyawalk Tale 2020-10-09 18:20:16 UTC 
Statement:

Red Hat products ships rubygem-actionpack, however, those are supposed to be run in production mode. This issue only impacts development mode, therefore mentioned products are not affected by this flaw.
Comment 4 Yadnyawalk Tale 2020-10-09 18:20:20 UTC 
External References:

https://groups.google.com/g/rubyonrails-security/c/yQzUVfv42jk/m/oJWw-xhNAQAJ
Comment 5 Product Security DevOps Team 2020-10-09 20:21:12 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2020-8264
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