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Arbitrary Code Injection Affecting python3-libs package, versions <0:3.6.8-47.el8_6

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.26% (67th percentile)

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  • Snyk ID SNYK-RHEL8-PYTHON3LIBS-4345976
  • published 28 Jan 2022
  • disclosed 18 Apr 2021
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Introduced: 18 Apr 2021

CVE-2022-0391 Open this link in a new tab
CWE-74 Open this link in a new tab

How to fix?

Upgrade RHEL:8 python3-libs to version 0:3.6.8-47.el8_6 or higher.
This issue was patched in RHSA-2022:6457.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-libs package and not the python3-libs package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in Python, specifically within the urllib.parse module. This module helps break Uniform Resource Locator (URL) strings into components. The issue involves how the urlparse method does not sanitize input and allows characters like '\r' and '\n' in the URL path. This flaw allows an attacker to input a crafted URL, leading to injection attacks. This flaw affects Python versions prior to 3.10.0b1, 3.9.5, 3.8.11, 3.7.11 and 3.6.14.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
Expand this section

Red Hat

5.3 medium
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SUSE

6.5 medium