Improper Input Validation Affecting platform-python package, versions <0:3.6.8-31.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    1.18% (86th percentile)

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  • Snyk ID SNYK-RHEL8-PLATFORMPYTHON-3832948
  • published 26 Jul 2021
  • disclosed 10 Dec 2019

How to fix?

Upgrade RHEL:8 platform-python to version 0:3.6.8-31.el8 or higher.
This issue was patched in RHSA-2020:4433.

NVD Description

Note: Versions mentioned in the description apply only to the upstream platform-python package and not the platform-python package as distributed by RHEL. See How to fix? for RHEL: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
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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)
    None
  • Availability (A)
    High
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Red Hat

7.5 high
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SUSE

5.3 medium