Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python39-libs package, versions <0:3.9.6-2.module+el8.5.0+12204+54860423


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
1.65% (89th percentile)

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  • Snyk IDSNYK-CENTOS8-PYTHON39LIBS-1968964
  • published26 Aug 2021
  • disclosed9 Aug 2021

Introduced: 9 Aug 2021

CVE-2021-3737  (opens in a new tab)
CWE-835  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Centos:8 python39-libs to version 0:3.9.6-2.module+el8.5.0+12204+54860423 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python39-libs package and not the python39-libs package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1