CVE-2018-20406

high
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Description

Modules/_pickle.c in Python before 3.7.1 has an integer overflow via a large LONG_BINPUT value that is mishandled during a "resize to twice the size" attempt. 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. This issue is fixed in: v3.4.10, v3.4.10rc1; v3.5.10, v3.5.10rc1, v3.5.7, v3.5.7rc1, v3.5.8, v3.5.8rc1, v3.5.8rc2, v3.5.9; v3.6.10, v3.6.10rc1, v3.6.11, v3.6.11rc1, v3.6.12, v3.6.7, v3.6.7rc1, v3.6.7rc2, v3.6.8, v3.6.8rc1, v3.6.9, v3.6.9rc1; v3.7.1, v3.7.1rc1, v3.7.1rc2, v3.7.2, v3.7.2rc1, v3.7.3, v3.7.3rc1, v3.7.4, v3.7.4rc1, v3.7.4rc2, v3.7.5, v3.7.5rc1, v3.7.6, v3.7.6rc1, v3.7.7, v3.7.7rc1, v3.7.8, v3.7.8rc1, v3.7.9.

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html

https://access.redhat.com/errata/RHSA-2019:3725

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/

https://lists.fedoraproject.org/archives/list/package-announce[email protected]/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/

https://lists.fedoraproject.org/archives/list/[email protected]/message/D3LXPABKVLFYUHRYJPM3CSS5MS6FXKS7/

https://lists.fedoraproject.org/archives/list/[email protected]/message/ICBEGRHIPHWPG2VGYS6R4EVKVUUF4AQW/

https://lists.fedoraproject.org/archives/list/[email protected]/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/

https://lists.fedoraproject.org/archives/list/[email protected]/message/TR6GCO3WTV4D5L23WTCBF275VE6BVNI3/

https://security.netapp.com/advisory/ntap-20190416-0010/

https://usn.ubuntu.com/4127-1/

https://usn.ubuntu.com/4127-2/

Details

Source: MITRE

Published: 2018-12-23

Updated: 2020-10-29

Type: CWE-190

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Tenable Plugins

View all (19 total)

IDNameProductFamilySeverity
138529Debian DLA-2280-1 : python3.5 security updateNessusDebian Local Security Checks
critical
133172openSUSE Security Update : python3 (openSUSE-2020-86) (BEAST) (httpoxy)NessusSuSE Local Security Checks
critical
133036SUSE SLED15 / SLES15 Security Update : python3 (SUSE-SU-2020:0114-1) (BEAST) (httpoxy)NessusSuSE Local Security Checks
critical
128631Ubuntu 16.04 LTS / 18.04 LTS / 19.04 : python2.7, python3.5, python3.6, python3.7 vulnerabilities (USN-4127-1)NessusUbuntu Local Security Checks
critical
126383Amazon Linux 2 : python (ALAS-2019-1230)NessusAmazon Linux Local Security Checks
critical
124655Amazon Linux AMI : python34 (ALAS-2019-1202)NessusAmazon Linux Local Security Checks
critical
124594Amazon Linux 2 : python3 (ALAS-2019-1204)NessusAmazon Linux Local Security Checks
critical
124511Fedora 30 : python34 (2019-7d9f3cf3ce)NessusFedora Local Security Checks
critical
124492Fedora 30 : python35 (2019-51f1e08207)NessusFedora Local Security Checks
critical
123480Fedora 28 : python35 (2019-cf725dd20b)NessusFedora Local Security Checks
critical
123476Fedora 28 : python34 (2019-6baeb15da3)NessusFedora Local Security Checks
critical
123475Fedora 29 : python34 (2019-6b02154aa0)NessusFedora Local Security Checks
critical
123140Fedora 29 : python35 (2019-6e1938a3c5)NessusFedora Local Security Checks
critical
122924Photon OS 1.0: Python3 PHSA-2019-1.0-0212NessusPhotonOS Local Security Checks
critical
122909Photon OS 2.0: Python3 PHSA-2019-2.0-0132NessusPhotonOS Local Security Checks
critical
122091openSUSE Security Update : python3 (openSUSE-2019-155)NessusSuSE Local Security Checks
high
122036Debian DLA-1663-1 : python3.4 security updateNessusDebian Local Security Checks
critical
121616SUSE SLED12 / SLES12 Security Update : python3 (SUSE-SU-2019:0243-1)NessusSuSE Local Security Checks
high
121540SUSE SLED15 / SLES15 Security Update : python3 (SUSE-SU-2019:0215-1)NessusSuSE Local Security Checks
high