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High · 7.5 Public exploit CVE-2017-11870 EUVD-2022-3357GHSA-9f2p-wm46-6m5f

Chakra Core vulnerable to privilege escalation when writing to JavaScript null scope objects

Published Nov 15, 2017 · Updated Sep 17, 2024 · Assigned by microsoft

Vendor: Microsoft Product: ChakraCore, Microsoft Edge Package: Microsoft.ChakraCore Category: Browsers Ecosystem: NuGet

Description

ChakraCore and Microsoft Edge in Windows 10 1703, 1709, and Windows Server, version 1709 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-2017-11836, CVE-2017-11837, CVE-2017-11838, CVE-2017-11839, CVE-2017-11840, CVE-2017-11841, CVE-2017-11843, CVE-2017-11846, CVE-2017-11858, CVE-2017-11859, CVE-2017-11861, CVE-2017-11862, CVE-2017-11866, CVE-2017-11869, CVE-2017-11871, and CVE-2017-11873.

Affected products

VendorProductAffectedFixed
Microsoft ChakraCore, Microsoft Edge Windows 10 1703, 1709, and Windows Server, version 1709. —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Affected packages

EcosystemPackageAffectedFixedRecord
NuGet Microsoft.ChakraCore < 1.7.4 1.7.4 GHSA-9f2p-wm46-6m5f

References