CVE-2017-8635
HIGHMicrosoft Internet Explorer and Edge - Remote Code Execution via Scripting Engine Memory Corruption
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2017-8635. PoCs published by Google Security Research.
AI-analyzed exploit summary The exploit leverages a use-after-free vulnerability in Chakra's dictionary object handling, where repeated undeletion of properties leads to memory corruption. The PoC triggers the bug by preventing extensions, deleting properties, and repeatedly reassigning a property to exhaust the deleted property index.
Description
Microsoft browsers in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, and Windows Server 2016 allow an attacker to execute arbitrary code in the context of the current user due to the way that JavaScript engines render when handling objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8634, CVE-2017-8636, CVE-2017-8638, CVE-2017-8639, CVE-2017-8640, CVE-2017-8641, CVE-2017-8645, CVE-2017-8646, CVE-2017-8647, CVE-2017-8655, CVE-2017-8656, CVE-2017-8657, CVE-2017-8670, CVE-2017-8671, CVE-2017-8672, and CVE-2017-8674.
Exploits (1)
The exploit leverages a use-after-free vulnerability in Chakra's dictionary object handling, where repeated undeletion of properties leads to memory corruption. The PoC triggers the bug by preventing extensions, deleting properties, and repeatedly reassigning a property to exhaust the deleted property index.
References (5)
Scores
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H