Loop with Unreachable Exit Condition ('Infinite Loop') Affecting python38:3.8/python38-mod_wsgi package, versions <0:4.6.8-3.module_el8.6.0+2778+cd494b30


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.53% (77th percentile)

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  • Snyk IDSNYK-ALMALINUX8-PYTHON38-5625785
  • published28 May 2023
  • disclosed3 Nov 2020

Introduced: 3 Nov 2020

CVE-2019-20907  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 python38:3.8/python38-mod_wsgi to version 0:4.6.8-3.module_el8.6.0+2778+cd494b30 or higher.
This issue was patched in ALSA-2020:4641.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python38:3.8/python38-mod_wsgi package and not the python38:3.8/python38-mod_wsgi package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.

References

CVSS Scores

version 3.1