CVE-2021-24044

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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.facebook.com/security/advisories/cve-2021-24044	Vendor Advisory
https://www.facebook.com/security/advisories/cve-2021-24044	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*

History

21 Nov 2024, 05:52

Type	Values Removed	Values Added
References	~~() https://www.facebook.com/security/advisories/cve-2021-24044 - Vendor Advisory~~	() https://www.facebook.com/security/advisories/cve-2021-24044 - Vendor Advisory

Information

Published : 2022-01-15 01:15

Updated : 2024-11-21 05:52

NVD link : CVE-2021-24044

Mitre link : CVE-2021-24044

CVE.ORG link : CVE-2021-24044

JSON object : View

Products Affected

facebook

hermes

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

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