CVE-2017-11918
Description
ChakraCore and Microsoft Edge in Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to gain the same user rights as the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11886, CVE-2017-11889, CVE-2017-11890, CVE-2017-11893, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11909, CVE-2017-11910, CVE-2017-11911, CVE-2017-11912, CVE-2017-11913, CVE-2017-11914, CVE-2017-11916, and CVE-2017-11930.
Predictions
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 JIT - Escape Analysis Bug
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| windows | - | not-affected | |
| windows | 1511 | not-affected | |
| windows | 1607 | not-affected | |
| windows | 1703 | not-affected | |
| windows | 1709 | not-affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| microsoft | edge | - | |
| microsoft | chakracore | {"endExcluding":"1.7.5"} | 1.7.5 |
References
- http://www.securityfocus.com/bid/102089
- http://www.securitytracker.com/id/1039990
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11918
- https://www.exploit-db.com/exploits/43469/
- http://www.securityfocus.com/bid/102089
- http://www.securitytracker.com/id/1039990
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11918
- https://www.exploit-db.com/exploits/43469/
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.