Description
A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers, aka "Scripting Engine Memory Corruption Vulnerability." This affects ChakraCore, Internet Explorer 11, Microsoft Edge. This CVE ID is unique from CVE-2018-8242, CVE-2018-8283, CVE-2018-8287, CVE-2018-8288, CVE-2018-8296, CVE-2018-8298.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | ChakraCore | ChakraCore | — |
| Microsoft | Internet Explorer 11 | Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, Windows 10 Version 1709 for 32-bit Systems, Windows … | — |
| Microsoft | Microsoft Edge | Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems, Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, Windows 10 Version 1709 for 32-bit Systems, Windows … | — |
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
- Microsoft Edge Chakra JIT - 'DictionaryPropertyDescriptor::CopyFrom' Type Confusion EDB-45215 · dos · Aug 17, 2018 · 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 | < 1.10.1 | 1.10.1 | GHSA-j67m-wpv6-pv44 |
References
- 104637 vdb-entry
- 1041256 vdb-entry
- 1041258 vdb-entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8291
- 45215 exploit