Resource Exhaustion Affecting python3 package, versions <3.8.2-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.6% (80th percentile)

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  • Snyk IDSNYK-ALPINE318-PYTHON3-5514045
  • published21 Jul 2020
  • disclosed30 Jan 2020

Introduced: 30 Jan 2020

CVE-2020-8492  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Alpine:3.18 python3 to version 3.8.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3 package and not the python3 package as distributed by Alpine. See How to fix? for Alpine:3.18 relevant fixed versions and status.

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.

References

CVSS Scores

version 3.1