Resource Exhaustion Affecting python-pip package, versions <20.0.2-5ubuntu1.7


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
3.27% (87th percentile)

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  • Snyk IDSNYK-UBUNTU2004-PYTHONPIP-1304493
  • published11 Jun 2021
  • disclosed29 Jun 2021

Introduced: 11 Jun 2021

CVE-2021-33503  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 python-pip to version 20.0.2-5ubuntu1.7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-pip package and not the python-pip package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.

CVSS Base Scores

version 3.1