Unchecked Return Value Affecting python-nose-docs package, versions <0:1.3.7-31.module+el8.5.0+20361+8a9d3d27


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.37% (74th percentile)

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  • Snyk IDSNYK-ORACLE8-PYTHONNOSEDOCS-2832329
  • published18 May 2022
  • disclosed24 Aug 2022

Introduced: 18 May 2022

CVE-2021-4189  (opens in a new tab)
CWE-252  (opens in a new tab)

How to fix?

Upgrade Oracle:8 python-nose-docs to version 0:1.3.7-31.module+el8.5.0+20361+8a9d3d27 or higher.
This issue was patched in ELSA-2022-1821.

NVD Description

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

A flaw was found in Python, specifically in the FTP (File Transfer Protocol) client library in PASV (passive) mode. The issue is how the FTP client trusts the host from the PASV response by default. This flaw allows an attacker to set up a malicious FTP server that can trick FTP clients into connecting back to a given IP address and port. This vulnerability could lead to FTP client scanning ports, which otherwise would not have been possible.

CVSS Scores

version 3.1