Description
The Chakra JavaScript scripting engine in Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory Corruption Vulnerability," a different vulnerability than CVE-2016-7200, CVE-2016-7202, CVE-2016-7203, CVE-2016-7208, CVE-2016-7240, CVE-2016-7242, and CVE-2016-7243.
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 2
- Microsoft Edge (Windows 10) - 'chakra.dll' Information Leak / Type Confusion Remote Code Execution EDB-40990 · remote · Jan 5, 2017
- Microsoft Edge - 'FillFromPrototypes' Type Confusion EDB-40784 · dos · Nov 18, 2016 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | Microsoft.ChakraCore | < 1.2.2 | 1.2.2 | GHSA-4f5g-j7wg-7w8j |
References
- MS16-129 vendor-advisory
- http://packetstormsecurity.com/files/140382/Microsoft-Edge-chakra.dll-Information-Leak-Type-Confusion.html
- https://github.com/theori-io/chakra-2016-11
- 94038 vdb-entry
- 40784 exploit
- 40990 exploit
- 1037245 vdb-entry