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Resource Exhaustion Affecting python3.5 package, versions <3.5.2-2ubuntu0~16.04.4~14.04.1+esm1

Severity

 Recommended
low

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.6% (79th percentile)

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  • Snyk ID SNYK-UBUNTU1404-PYTHON35-1618488
  • published 30 Jan 2020
  • disclosed 30 Jan 2020
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Introduced: 30 Jan 2020

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

How to fix?

Upgrade Ubuntu:14.04 python3.5 to version 3.5.2-2ubuntu016.04.414.04.1+esm1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.5 package and not the python3.5 package as distributed by Ubuntu. See How to fix? for Ubuntu:14.04 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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SUSE

6.5 medium
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Red Hat

6.5 medium