CVE-2022-46175

Source
https://nvd.nist.gov/vuln/detail/CVE-2022-46175
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-46175.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2022-46175
Aliases
Related
Published
2022-12-24T04:15:08Z
Modified
2024-10-12T10:18:42.706960Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

JSON5 is an extension to the popular JSON file format that aims to be easier to write and maintain by hand (e.g. for config files). The parse method of the JSON5 library before and including versions 1.0.1 and 2.2.1 does not restrict parsing of keys named __proto__, allowing specially crafted strings to pollute the prototype of the resulting object. This vulnerability pollutes the prototype of the object returned by JSON5.parse and not the global Object prototype, which is the commonly understood definition of Prototype Pollution. However, polluting the prototype of a single object can have significant security impact for an application if the object is later used in trusted operations. This vulnerability could allow an attacker to set arbitrary and unexpected keys on the object returned from JSON5.parse. The actual impact will depend on how applications utilize the returned object and how they filter unwanted keys, but could include denial of service, cross-site scripting, elevation of privilege, and in extreme cases, remote code execution. JSON5.parse should restrict parsing of __proto__ keys when parsing JSON strings to objects. As a point of reference, the JSON.parse method included in JavaScript ignores __proto__ keys. Simply changing JSON5.parse to JSON.parse in the examples above mitigates this vulnerability. This vulnerability is patched in json5 versions 1.0.2, 2.2.2, and later.

References

Affected packages

Debian:11 / node-json5

Package

Name
node-json5
Purl
pkg:deb/debian/node-json5?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.1.3-2+deb11u1

Affected versions

2.*

2.1.3-2

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / node-json5

Package

Name
node-json5
Purl
pkg:deb/debian/node-json5?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.3+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / node-json5

Package

Name
node-json5
Purl
pkg:deb/debian/node-json5?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.3+dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / github.com/json5/json5

Affected ranges

Type
GIT
Repo
https://github.com/json5/json5
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

v0.*

v0.0.0
v0.0.1
v0.1.0
v0.2.0
v0.3.0
v0.4.0
v0.5.0

v1.*

v1.0.0
v1.0.1