Resource Exhaustion Affecting python3.5 package, versions <3.5.2-2ubuntu0~16.04.10


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
4.23% (89th percentile)

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  • Snyk IDSNYK-UBUNTU1604-PYTHON35-567122
  • published30 Jan 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 Ubuntu:16.04 python3.5 to version 3.5.2-2ubuntu0~16.04.10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.5 package and not the python3.5 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 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 Base Scores

version 3.1