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:
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Doc Text:
A flaw was found in rubygem-actionpack. A XSS vulnerability in Action Pack's Actionable Exceptions middleware while the application server is in development mode is possible. The highest threat from this vulnerability is to data confidentiality and integrity.
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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