CVE-2021-43138

Description

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.

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UM6XJ73Q3NAM5KSGCOKJ2ZIA6GUWUJLK/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTEUUTNIEBHGKUKKLNUZSV7IEP6IP3Q3/

https://github.com/caolan/async/pull/1828

https://github.com/caolan/async/compare/v2.6.3...v2.6.4

https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66d

https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264

https://github.com/caolan/async/blob/master/lib/mapValuesLimit.js

https://github.com/caolan/async/blob/master/lib/internal/iterator.js

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3