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Improper Input Validation Affecting flask package, versions [,0.12.3)

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.26% (66th percentile)
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NVD
7.5 high
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SUSE
3.3 low
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Red Hat
7.5 high

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  • Snyk ID SNYK-PYTHON-FLASK-42185
  • published 21 Aug 2018
  • disclosed 10 Apr 2018
  • credit Unknown
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Introduced: 10 Apr 2018

CVE-2018-1000656 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade flask to version 0.12.3 or higher.

Overview

flask is a lightweight WSGI web application framework.

Affected versions of this package are vulnerable to Improper Input Validation. It did not detect the encoding of incoming JSON data as one of the supported UTF encodings, and allowed arbitrary encodings from the request.