Bug 2006118 (CVE-2021-32838) - CVE-2021-32838 python-flask-restx: Regular expression denial of service in email_regex
Summary: CVE-2021-32838 python-flask-restx: Regular expression denial of service in em...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-32838
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: 2006119
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-09-20 21:30 UTC by Pedro Sampaio
Modified: 2021-09-21 00:21 UTC (History)
1 user (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2021-09-21 00:21:21 UTC
Embargoed:

Attachments (Terms of Use)

Description Pedro Sampaio 2021-09-20 21:30:17 UTC 
Flask-RESTX (pypi package flask-restx) is a community driven fork of Flask-RESTPlus. Flask-RESTX before version 0.5.1 is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex. This is fixed in version 0.5.1.

https://github.com/python-restx/flask-restx/issues/372
https://pypi.org/project/flask-restx/
https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656da
https://github.com/advisories/GHSA-3q6g-vf58-7m4g
https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51
Comment 1 Pedro Sampaio 2021-09-20 21:30:32 UTC 
Created python-flask-restx tracking bugs for this issue:

Affects: fedora-all [bug 2006119]
Comment 2 Product Security DevOps Team 2021-09-21 00:21:21 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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