CVE-2019-0539
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
1.0
Description
ChakraCore RCE Vulnerability
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Microsoft Edge Chakra - 'InitClass' Type Confusion
Source code queued for fetch — refresh in a moment.
Microsoft Edge Chakra - 'NewScObjectNoCtor' or 'InitProto' Type Confusion
Source code queued for fetch — refresh in a moment.
Microsoft Edge Chakra 1.11.4 - Read Permission via Type Confusion
Source code queued for fetch — refresh in a moment.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| NuGet | Microsoft.ChakraCore | <1.11.5 | 1.11.5 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2019-0539
- https://github.com/chakra-core/ChakraCore/commit/788f17b0ce06ea84553b123c174d1ff7052112a0
- https://github.com/chakra-core/ChakraCore
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0539
- https://web.archive.org/web/20210124231213/http://www.securityfocus.com/bid/106401
- https://www.exploit-db.com/exploits/46203
- https://www.exploit-db.com/exploits/46204
- https://www.exploit-db.com/exploits/46485
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.