Resource Exhaustion Affecting python3 package, versions <0:3.6.8-17.el7


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.6% (80th percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHON3-2168913
  • published26 Jul 2021
  • disclosed2 Mar 2020

Introduced: 2 Mar 2020

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

How to fix?

Upgrade Centos:7 python3 to version 0:3.6.8-17.el7 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 Centos. See How to fix? for Centos:7 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