GitHub Advisoryadvisory · PyPI

GHSA-562c-5r94-xh97 Flask is vulnerable to Denial of Service via incorrect encoding of JSON data

HIGH Published 2018-08-23 Modified 2024-09-20 Official page ↗
Aliases
CVE-2018-1000656
Ecosystem
PyPI
Packages
Flask
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-20
Reviewed
2020-06-16

Affected packages

• PyPI Flask: < 0.12.3 → fixed in 0.12.3

Description

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.

Related

Alias · CVE (1)

  • CVE-2018-1000656 The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in… vulnerability

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References