CVE-2017-11914
ChakraCore vulnerable to privilege escalation due to exposure from scriptFunction
Description
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.
How to fix CVE-2017-11914
To remediate CVE-2017-11914, upgrade the affected package to a fixed version below.
- —upgrade to 1.7.5 or later
Is CVE-2017-11914 being exploited?
Likely — EPSS is 73.4%, placing CVE-2017-11914 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 1.7.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |