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Resource Exhaustion Affecting python3-idle package, versions <0:3.6.8-31.el8

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.6% (79th percentile)

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  • Snyk ID SNYK-RHEL8-PYTHON3IDLE-3833417
  • published 26 Jul 2021
  • disclosed 2 Mar 2020
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Introduced: 2 Mar 2020

CVE-2020-8492 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

Upgrade RHEL:8 python3-idle 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 python3-idle package and not the python3-idle package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.

References

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

6.5 medium
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SUSE

6.5 medium