CVE-2018-20406

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2018-20406
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-12-23T23:29:00
  • Last Modified Date
  • 2020-10-29T15:15:12
Weakness Enumerations
CWE URL
CWE-190 http://cwe.mitre.org/data/definitions/190.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:python:python:*:*:*:*:*:*:*:* 1 OR 3.4.0 3.7.1
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/python/cpython/commit/a4ae828ee416a66d8c7bf5ee71d653c2cc6a26dd Patch Third Party Advisory
https://bugs.python.org/issue34656 Exploit Issue Tracking Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D3LXPABKVLFYUHRYJPM3CSS5MS6FXKS7/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ICBEGRHIPHWPG2VGYS6R4EVKVUUF4AQW/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TR6GCO3WTV4D5L23WTCBF275VE6BVNI3/ Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20190416-0010/
https://usn.ubuntu.com/4127-2/
https://usn.ubuntu.com/4127-1/
https://access.redhat.com/errata/RHSA-2019:3725
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20406
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20406
History
Created Old Value New Value Data Type Notes
2022-05-10 16:21:45 Added to TrackCVE
2022-12-03 15:41:59 2018-12-23T23:29Z 2018-12-23T23:29:00 CVE Published Date updated
2022-12-03 15:41:59 2020-10-29T15:15:12 CVE Modified Date updated
2022-12-03 15:41:59 Modified Vulnerability Status updated