Vulnerability 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.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Async Project | Async | < 2.6.4 |
| Fedoraproject | Fedora | 36 |
Related Weaknesses (CWE)
References
- https://github.com/caolan/async/blob/master/lib/internal/iterator.jsThird Party Advisory
- https://github.com/caolan/async/blob/master/lib/mapValuesLimit.jsThird Party Advisory
- https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264Release NotesThird Party Advisory
- https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66dPatchThird Party Advisory
- https://github.com/caolan/async/compare/v2.6.3...v2.6.4PatchThird Party Advisory
- https://github.com/caolan/async/pull/1828PatchThird Party Advisory
- https://jsfiddle.net/oz5twjd9/ExploitThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.netapp.com/advisory/ntap-20240621-0006/
- https://github.com/caolan/async/blob/master/lib/internal/iterator.jsThird Party Advisory
- https://github.com/caolan/async/blob/master/lib/mapValuesLimit.jsThird Party Advisory
- https://github.com/caolan/async/blob/v2.6.4/CHANGELOG.md#v264Release NotesThird Party Advisory
- https://github.com/caolan/async/commit/e1ecdbf79264f9ab488c7799f4c76996d5dca66dPatchThird Party Advisory
- https://github.com/caolan/async/compare/v2.6.3...v2.6.4PatchThird Party Advisory
FAQ
What is CVE-2021-43138?
CVE-2021-43138 is a vulnerability with a CVSS score of 7.8 (HIGH). 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.
How severe is CVE-2021-43138?
CVE-2021-43138 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43138?
Check the references section above for vendor advisories and patch information. Affected products include: Async Project Async, Fedoraproject Fedora.