Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-12762 First vendor Publication 2020-05-09
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12762

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
50 % CWE-190 Integer Overflow or Wraparound (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 11
Application 3
Os 6
Os 3
Os 3

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
CONFIRM https://cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
https://github.com/json-c/json-c/pull/592
https://security.netapp.com/advisory/ntap-20210521-0001/
DEBIAN https://www.debian.org/security/2020/dsa-4741
GENTOO https://security.gentoo.org/glsa/202006-13
MISC https://github.com/rsyslog/libfastjson/issues/161
MLIST https://lists.debian.org/debian-lts-announce/2020/05/msg00032.html
https://lists.debian.org/debian-lts-announce/2020/05/msg00034.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00031.html
https://lists.debian.org/debian-lts-announce/2023/06/msg00023.html
UBUNTU https://usn.ubuntu.com/4360-1/
https://usn.ubuntu.com/4360-4/

Alert History

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Date Informations
2023-11-07 21:37:25
  • Multiple Updates
2023-09-25 09:27:59
  • Multiple Updates
2023-09-19 09:28:24
  • Multiple Updates
2023-06-21 09:27:40
  • Multiple Updates
2022-11-15 00:27:33
  • Multiple Updates
2022-09-13 17:27:26
  • Multiple Updates
2021-05-21 13:23:03
  • Multiple Updates
2021-05-04 13:46:02
  • Multiple Updates
2021-04-22 02:57:49
  • Multiple Updates
2020-08-06 17:22:54
  • Multiple Updates
2020-07-30 21:23:09
  • Multiple Updates
2020-06-16 00:24:49
  • Multiple Updates
2020-06-02 05:22:41
  • Multiple Updates
2020-06-01 00:22:43
  • Multiple Updates
2020-05-31 21:22:57
  • Multiple Updates
2020-05-26 13:22:54
  • Multiple Updates
2020-05-23 02:35:47
  • First insertion