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Improper Input Validation Affecting python2.7 package, versions <2.7.13-2+deb9u4

low

Snyk CVSS

    Attack Complexity Low
    Availability High
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NVD
7.5 high
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Red Hat
7.5 high
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SUSE
5.3 medium

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  • Snyk ID SNYK-DEBIAN9-PYTHON27-584362
  • published 14 Jul 2020
  • disclosed 13 Jul 2020
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Introduced: 13 Jul 2020

CVE-2019-20907 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:9 python2.7 to version 2.7.13-2+deb9u4 or higher.

NVD Description

Note: Versions mentioned in the description apply to the upstream python2.7 package. See How to fix? for Debian:9 relevant versions.

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.