Bug 2020365 (CVE-2021-23807) - 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
Summary: CVE-2021-23807 nodejs-jsonpointer: type confusion vulnerability can lead to a...
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Status: NEW
Alias: CVE-2021-23807
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
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Depends On: 2020366
Blocks: 2020367
TreeView+ depends on / blocked
 
Reported: 2021-11-04 16:43 UTC by Guilherme de Almeida Suckevicz
Modified: 2024-03-14 13:45 UTC (History)
13 users (show)

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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.
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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]
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