Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-8r5c-8v97-g7vh
Advisory ID github_osv/GHSA-8r5c-8v97-g7vh
Aliases CVE-2017-11914
Summary 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.
Status Published
Exploitability 2.0
Weighted Severity 6.8
Risk 10.0
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 7.5 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-8r5c-8v97-g7vh/GHSA-8r5c-8v97-g7vh.json
generic_textual HIGH
Reference id Reference type URL
https://github.com/chakra-core/ChakraCore
https://github.com/chakra-core/ChakraCore/commit/b488088279391deaaacfce4f0756caaefc284109
https://github.com/chakra-core/ChakraCore/pull/4411
https://web.archive.org/web/20210124122728/http://www.securityfocus.com/bid/102088
https://web.archive.org/web/20210829201729/http://www.securitytracker.com/id/1039990
https://www.exploit-db.com/exploits/43713
CVE-2017-11914 https://nvd.nist.gov/vuln/detail/CVE-2017-11914
CVE-2017-11914 https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11914
Data source Exploit-DB
Date added Jan. 17, 2018
Description Microsoft Edge Chakra - 'JavascriptGeneratorFunction::GetPropertyBuiltIns' Type Confusion
Ransomware campaign use Known
Source publication date Jan. 17, 2018
Exploit type dos
Platform windows
Source update date Jan. 17, 2018
Source URL https://bugs.chromium.org/p/project-zero/issues/detail?id=1403

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-8r5c-8v97-g7vh/GHSA-8r5c-8v97-g7vh.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.