CVE-2017-11821: Buffer Overflow
First published: Fri Oct 13 2017(Updated: )
ChakraCore and Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to execute arbitrary code in the context of 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-2017-11792, CVE-2017-11793, CVE-2017-11796, CVE-2017-11797, CVE-2017-11798, CVE-2017-11799, CVE-2017-11800, CVE-2017-11801, CVE-2017-11802, CVE-2017-11804, CVE-2017-11805, CVE-2017-11806, CVE-2017-11807, CVE-2017-11808, CVE-2017-11809, CVE-2017-11810, CVE-2017-11811, and CVE-2017-11812.
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| nuget/Microsoft.ChakraCore | <1.7.3 | 1.7.3 |
| Microsoft Chakra | <=1.7.2 | |
| Microsoft Edge (EdgeHTML-based) | ||
| Microsoft Windows 10 | =1703 |
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Reference Links
- http://www.securityfocus.com/bid/101123
- http://www.securitytracker.com/id/1039529
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11821
- https://nvd.nist.gov/vuln/detail/CVE-2017-11821
- https://github.com/chakra-core/ChakraCore/pull/3917
- https://web.archive.org/web/20210124105815/http://www.securityfocus.com/bid/101123
- https://web.archive.org/web/20211208040741/http://www.securitytracker.com/id/1039529
- https://github.com/chakra-core/ChakraCore/commit/2a07ca62db5618f4c75fd7749a6b49c831957d84
- https://github.com/advisories/GHSA-rhwh-jw9h-4m49 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2017-11821?
CVE-2017-11821 has a critical severity rating as it allows attackers to execute arbitrary code in the context of the current user.
How do I fix CVE-2017-11821?
To fix CVE-2017-11821, upgrade Microsoft ChakraCore to version 1.7.3 or later.
What software is affected by CVE-2017-11821?
CVE-2017-11821 affects Microsoft Edge and Microsoft ChakraCore versions up to 1.7.2.
Can CVE-2017-11821 be exploited remotely?
Yes, CVE-2017-11821 can potentially be exploited remotely, leading to arbitrary code execution.
Which Windows version is vulnerable to CVE-2017-11821?
CVE-2017-11821 specifically affects Windows 10 version 1703.
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