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Test ID:1.3.6.1.4.1.25623.1.0.118242
Category:Denial of Service
Title:Python 3.4.x < 3.4.10, 3.5.x < 3.5.7, 3.6.x < 3.6.7, 3.7.x < 3.7.1 Python Issue (bpo-34656) - Linux
Summary:Python is prone to a denial of service (DoS) vulnerability in the; 'pickle.load()' function.
Description:Summary:
Python is prone to a denial of service (DoS) vulnerability in the
'pickle.load()' function.

Vulnerability Insight:
'Modules/_pickle.c' has an integer overflow via a large
'LONG_BINPUT' value that is mishandled during a 'resize to twice the size' attempt.

Vulnerability Impact:
This issue might cause memory exhaustion, but is only relevant
if the pickle format is used for serializing tens or hundreds of gigabytes of data.

Affected Software/OS:
Python version 3.4.0 through 3.4.9, 3.5.0 through 3.5.6, 3.6.0
through 3.6.6 and 3.7.x before 3.7.1.

Solution:
Update to version 3.4.10, 3.5.7, 3.6.7, 3.7.1 or later.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-20406
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ICBEGRHIPHWPG2VGYS6R4EVKVUUF4AQW/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3LXPABKVLFYUHRYJPM3CSS5MS6FXKS7/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TR6GCO3WTV4D5L23WTCBF275VE6BVNI3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/
https://bugs.python.org/issue34656
https://github.com/python/cpython/commit/a4ae828ee416a66d8c7bf5ee71d653c2cc6a26dd
https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
RedHat Security Advisories: RHSA-2019:3725
https://access.redhat.com/errata/RHSA-2019:3725
SuSE Security Announcement: openSUSE-SU-2020:0086 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
https://usn.ubuntu.com/4127-1/
https://usn.ubuntu.com/4127-2/
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