CVE-2021-24044

CRITICAL

9.8

Description

By passing invalid javascript code where await and yield were called upon non-async and non-generator getter/setter functions, Hermes would invoke generator functions and error out on invalid await/yield positions. This could result in segmentation fault as a consequence of type confusion error, with a low chance of RCE. This issue affects Hermes versions prior to v0.10.0.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/15/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

facebook:hermes

Weaknesses (CWE)

CWE-843CWE-843

References

https://www.facebook.com/security/advisories/cve-2021-24044(cve-assign@fb.com)

https://www.facebook.com/security/advisories/cve-2021-24044(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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