Improper Input Validation Affecting python-flask package, versions <1:0.10.1-5.el7_7


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
3.86% (90th percentile)

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  • Snyk IDSNYK-RHEL7-PYTHONFLASK-5000866
  • published1 Nov 2021
  • disclosed10 Apr 2018

Introduced: 10 Apr 2018

CVE-2018-1000656  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:7 python-flask to version 1:0.10.1-5.el7_7 or higher.
This issue was patched in RHSA-2020:0870.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-flask package and not the python-flask package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding. This vulnerability appears to have been fixed in 0.12.3. NOTE: this may overlap CVE-2019-1010083.

CVSS Base Scores

version 3.1