GHSA-8r5c-8v97-g7vh
ChakraCore vulnerable to privilege escalation due to exposure from scriptFunction
Quick fix
GHSA-8r5c-8v97-g7vh — Microsoft.ChakraCore: upgrade to the fixed version with the command below.
dotnet add package Microsoft.ChakraCore --version 1.7.5Details
ChakraCore and Microsoft Edge in Windows 10 1511, 1607, 1703, 1709, and Windows Server 2016 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". The `JavascriptGeneratorFunction::GetPropertyBuiltIns` exposes `scriptFunction` while trying to get the length property passed the generator function.
This CVE ID is unique from CVE-2017-11886, CVE-2017-11889, CVE-2017-11890, CVE-2017-11893, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11909, CVE-2017-11910, CVE-2017-11911, CVE-2017-11912, CVE-2017-11913, CVE-2017-11916, CVE-2017-11918, and CVE-2017-11930.
Are you affected?
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Affected packages
0Fixed in: 1.7.5dotnet add package Microsoft.ChakraCore --version 1.7.5References
- https://nvd.nist.gov/vuln/detail/CVE-2017-11914[ADVISORY]
- https://github.com/chakra-core/ChakraCore/pull/4411[WEB]
- https://github.com/chakra-core/ChakraCore/commit/b488088279391deaaacfce4f0756caaefc284109[WEB]
- https://github.com/chakra-core/ChakraCore[PACKAGE]
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11914[WEB]
- https://web.archive.org/web/20210124122728/http://www.securityfocus.com/bid/102088[WEB]
- https://web.archive.org/web/20210829201729/http://www.securitytracker.com/id/1039990[WEB]
- https://www.exploit-db.com/exploits/43713[WEB]