CVE-2018-8381: ChakraCore RCE Vulnerability
7.5
CVSS Score
3.0
Basic Information
CVE ID
GHSA ID
EPSS Score
0.89418%
CWE
Published
5/13/2022
Updated
8/28/2023
KEV Status
No
Technology
C#
Technical Details
CVSS Vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
---|---|---|---|
Microsoft.ChakraCore | nuget | < 1.10.2 | 1.10.2 |
Vulnerability Intelligence
Miggo AI
Root Cause Analysis
The commit 1b77d55 specifically addresses CVE-2018-8381 by modifying MarshalDynamicObject
in CrossSite.cpp
. The added proxy check prevents prototype chain traversal re-entrancy, which the vulnerability description links to type confusion and memory corruption. The CWE-787
(OOB write) aligns with memory corruption scenarios arising from this flaw.