Bug 2020365 (CVE-2021-23807)

Summary:	CVE-2021-23807 nodejs-jsonpointer: type confusion vulnerability can lead to a bypass of a previous prototype pollution fix when the pointer components are arrays
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	aos-bugs, bdettelb, bmontgom, eparis, extras-orphan, fjansen, jburrell, jcantril, kaycoth, nodejs-sig, nstielau, piotr1212, sponnaga
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A Type Confusion vulnerability was found in node-jsonpointer. This issue leads to the bypass of a previous Prototype Pollution fix when the pointer components are arrays. This flaw allows an attacker to use objects of incompatible base types, leading to remote code execution. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2020366
Bug Blocks:	2020367

Description Guilherme de Almeida Suckevicz 2021-11-04 16:43:37 UTC

This affects the package jsonpointer before 5.0.0. A type confusion vulnerability can lead to a bypass of a previous Prototype Pollution fix when the pointer components are arrays.

Reference:
https://snyk.io/vuln/SNYK-JS-JSONPOINTER-1577288

Upstream patch:
https://github.com/janl/node-jsonpointer/pull/51

Comment 1 Guilherme de Almeida Suckevicz 2021-11-04 16:43:55 UTC

Created nodejs-jsonpointer tracking bugs for this issue:

Affects: epel-7 [bug 2020366]