← Back to CVEs

CVE-2020-1914

CRITICAL

9.8

Description

A logic vulnerability when handling the SaveGeneratorLong instruction in Facebook Hermes prior to commit b2021df620824627f5a8c96615edbd1eb7fdddfc allows attackers to potentially read out of bounds or theoretically execute arbitrary code via crafted JavaScript. Note that this is only exploitable if the application using Hermes permits evaluation of untrusted JavaScript. Hence, most React Native applications are not affected.

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

Published10/8/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

facebook:hermes

Weaknesses (CWE)

CWE-670CWE-670

References

https://github.com/facebook/hermes/commit/b2021df620824627f5a8c96615edbd1eb7fdddfc(cve-assign@fb.com)

https://www.facebook.com/security/advisories/cve-2020-1914(cve-assign@fb.com)

https://github.com/facebook/hermes/commit/b2021df620824627f5a8c96615edbd1eb7fdddfc(af854a3a-2127-422b-91ae-364da2661108)

https://www.facebook.com/security/advisories/cve-2020-1914(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.