CVE-2021-32838

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/python-restx/flask-restx/issues/372	Issue Tracking Patch Third Party Advisory
https://pypi.org/project/flask-restx/	Product Third Party Advisory
https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656da	Patch Third Party Advisory
https://github.com/advisories/GHSA-3q6g-vf58-7m4g	Third Party Advisory
https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51	Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ/	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:flask-restx_project:flask-restx:*:*:*:*:*:python:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:33:::::::*
	cpe:2.3:o:fedoraproject:fedora:34:::::::*

Information

Published : 2021-09-20 11:15

Updated : 2021-09-30 12:23

NVD link : CVE-2021-32838

Mitre link : CVE-2021-32838

JSON object : View

CWE

CWE-400

Uncontrolled Resource Consumption

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Products Affected

flask-restx_project

flask-restx

fedoraproject

fedora

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