ChakraCore vulnerable to privilege escalation due to exposure from scriptFunction
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.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2017-11914US | high7.5 | Exploit | ||
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 scri… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/chakra-core/ChakraCorePACKAGE
- https://github.com/chakra-core/ChakraCore/commit/b488088279391deaaacfce4f0756caaefc284109WEB
- https://github.com/chakra-core/ChakraCore/pull/4411WEB
- https://nvd.nist.gov/vuln/detail/CVE-2017-11914ADVISORY
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11914WEB
- https://web.archive.org/web/20210124122728/http://www.securityfocus.com/bid/102088WEB
- https://web.archive.org/web/20210829201729/http://www.securitytracker.com/id/1039990WEB
- https://www.exploit-db.com/exploits/43713WEB
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