Vulnerability Details : CVE-2020-1915
An out-of-bounds read in the JavaScript Interpreter in Facebook Hermes prior to commit 8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0 allows attackers to cause a denial of service attack or possible further memory corruption 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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-1915
- cpe:2.3:a:facebook:hermes:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-1915
0.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 58 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-1915
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-1915
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- cve-assign@fb.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2020-1915
-
https://www.facebook.com/security/advisories/cve-2020-1915
FacebookVendor Advisory
-
https://github.com/facebook/hermes/commit/8cb935cd3b2321c46aa6b7ed8454d95c75a7fca0
Handle set where internalSetter and Proxy are both true · facebook/hermes@8cb935c · GitHubPatch;Third Party Advisory
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