CVE-2020-10663 Details

CVE-2020-10663

Published: 2020-04-28
Last Modified: 2021-04-04
CVE Author: NIST National Vulnerability Database
CVE Assigner: cve@mitre.org
Summary

The JSON gem through 2.2.0 for Ruby, as used in Ruby 2.4 through 2.4.9, 2.5 through 2.5.7, and 2.6 through 2.6.5, has an Unsafe Object Creation Vulnerability. This is quite similar to CVE-2013-0269, but does not rely on poor garbage-collection behavior within Ruby. Specifically, use of JSON parsing methods can lead to creation of a malicious object within the interpreter, with adverse effects that are application-dependent.

Analysis
Common Vulnerability Score System v2.0
Severity Medium
Base Score 5/10
Exploit Score 10/10
Access Vector Network
Access Complexity Low
Authentication None
Impact Score 2.9/10
Confidentiality Impact None
Availability Impact None
Integrity Impact Partial
Vector String AV:N/AC:L/Au:N/C:N/I:P/A:N
Common Vulnerability Score System v3.1
Severity High
Base Score 7.5/10
Exploit Score 3.9/10
Access Vector Network
Access Complexity Low
Privileges Required None
Impact Score 3.6/10
Confidentiality Impact None
Availability Impact None
Integrity Impact High
Scope Unchanged
User Interaction None
Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Products Reported
CPE Vulnerable Start Excluding
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Yes - -
cpe:2.3:o:apple:mac_os:11.0.1:*:*:*:*:*:*:* Yes - -
References

https://www.ruby-lang.org/en/news/2020/03/19/json-dos-cve-2020-10663/
https://lists.debian.org/debian-lts-announce/2020/04/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00004.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/m
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/m
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/m
https://www.debian.org/security/2020/dsa-4721
https://lists.apache.org/thread.html/rd9b9cc843f5cf5b532bdad9e87a817967efcf52b917e8c43b6
https://lists.apache.org/thread.html/r8d2e174230f6d26e16c007546e804c343f1f68956f526daaaf
https://lists.apache.org/thread.html/ree3abcd33c06ee95ab59faa1751198a1186d8941ddc2c2562c
https://lists.apache.org/thread.html/r5f17bfca1d6e7f4b33ae978725b2fd62a9f1b3111696eafa9a
https://lists.apache.org/thread.html/rb2b981912446a74e14fe6076c4b7c7d8502727ea0718e6a65a
https://lists.apache.org/thread.html/rb023d54a46da1ac0d8969097f5fecc79636b07d3b80db7b818
https://support.apple.com/kb/HT211931
http://seclists.org/fulldisclosure/2020/Dec/32
https://lists.apache.org/thread.html/rec8bb4d637b04575da41cfae49118e108e95d43bfac39b7b69
https://security.netapp.com/advisory/ntap-20210129-0003/
https://lists.apache.org/thread.html/r37c0e1807da7ff2bdd028bbe296465a6bbb99e2320dbe661d5
https://lists.apache.org/thread.html/r3b04f4e99a19613f88ae088aa18cd271231a3c79dfff8f5efa

CVE ID
CVE-2020-10663
Published
2020-04-28
Modified
2021-04-04
CVSSv2.0
Medium
CVSSv3.1
High
PCI Compliance
Fail
US-CERT Alert
No
CWE
CWE-20

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