CVE-2017-11914
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
8.5
Description
ChakraCore vulnerable to privilege escalation due to exposure from scriptFunction
Predictions
Exploit likelihood
83%
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 - 'JavascriptGeneratorFunction::GetPropertyBuiltIns' Type Confusion
Source code queued for fetch — refresh in a moment.
OS impact
Windows Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| 1709 | Not affected | — |
| 1703 | Not affected | — |
| 1607 | Not affected | — |
| 1511 | Not affected | — |
| - | Not affected | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| NuGet | Microsoft.ChakraCore | <1.7.5 | 1.7.5 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| microsoft | edge | - | |
| microsoft | chakracore | {"endExcluding":"1.7.5"} | 1.7.5 |
References
- http://www.securityfocus.com/bid/102088
- http://www.securitytracker.com/id/1039990
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11914
- https://www.exploit-db.com/exploits/43713/
- https://nvd.nist.gov/vuln/detail/CVE-2017-11914
- https://github.com/chakra-core/ChakraCore/pull/4411
- https://github.com/chakra-core/ChakraCore/commit/b488088279391deaaacfce4f0756caaefc284109
- https://github.com/chakra-core/ChakraCore
- https://web.archive.org/web/20210124122728/http://www.securityfocus.com/bid/102088
- https://web.archive.org/web/20210829201729/http://www.securitytracker.com/id/1039990
- https://www.exploit-db.com/exploits/43713
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.