CVE-2021-43138

In Async before 2.6.4 and 3.x before 3.2.2, a malicious user can obtain privileges via the mapValues() method, aka lib/internal/iterator.js createObjectIterator prototype pollution.

Link	Resource
https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js	Third Party Advisory
https://jsfiddle.net/oz5twjd9/	Exploit Third Party Advisory
https://github.com/caolan/async/blob/master/lib/internal/iterator.js	Third Party Advisory
https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d	Patch Third Party Advisory
https://github.com/caolan/async/pull/1828	Patch Third Party Advisory
https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264	Release Notes Third Party Advisory
https://github.com/caolan/async/compare/v2.6.3...v2.6.4	Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/	Mailing List Third Party Advisory

Configuration 1

cpe:2.3:a:async_project:async:*:*:*:*:*:*:*:* cpe:2.3:a:async_project:async:*:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

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Published : 2022-04-06 05:15

Updated : 2023-02-23 08:20

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NVD link : CVE-2021-43138

Mitre link : CVE-2021-43138

Fedora

Fedoraproject

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')