Resource Exhaustion Affecting python3-libs package, versions <0:3.7.8-1.amzn2.0.1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.6% (80th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Resource Exhaustion vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-AMZN2-PYTHON3LIBS-1682898
  • published27 Sept 2021
  • 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 Amazon-Linux:2 python3-libs to version 0:3.7.8-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2020-1471.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libs package and not the python3-libs package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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