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Information Exposure Affecting python3.5 package, versions <3.5.3-1+deb9u4

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.06% (26th percentile)
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NVD
5.7 medium
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SUSE
5.5 medium
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Red Hat
5.7 medium

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  • Snyk ID SNYK-DEBIAN9-PYTHON35-1085110
  • published 11 Mar 2021
  • disclosed 20 May 2021
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Introduced: 11 Mar 2021

CVE-2021-3426 Open this link in a new tab
CWE-200 Open this link in a new tab

How to fix?

Upgrade Debian:9 python3.5 to version 3.5.3-1+deb9u4 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 Debian. See How to fix? for Debian:9 relevant fixed versions and status.

There's a flaw in Python 3's pydoc. A local or adjacent attacker who discovers or is able to convince another local or adjacent user to start a pydoc server could access the server and use it to disclose sensitive information belonging to the other user that they would not normally be able to access. The highest risk of this flaw is to data confidentiality. This flaw affects Python versions before 3.8.9, Python versions before 3.9.3 and Python versions before 3.10.0a7.

References