CVE-2020-12762

CVE Details

Release Date:	2020-05-02
Impact:	Moderate	What is this?

Description

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

See more information about CVE-2020-12762 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.8
Vector String:	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (json-c)	ELSA-2021-4382	2021-11-16
Oracle Linux version 8 (libfastjson)	ELSA-2023-6976	2023-11-17
Oracle Linux version 9 (libfastjson)	ELSA-2023-6431	2023-11-11