7.5high

CVE-2017-11871

Chakra Core vulnerable to privilege escalation due to reading an invalid pointer

Also known as GHSA-43qp-hphf-5rjw

Published 8 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
8.0%
percentile 95%
Public exploits
0
none known

Summary

ChakraCore and Microsoft Edge in Windows 10 1703, 1709, and Windows Server, version 1709 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". This CVE ID is unique from CVE-2017-11836, CVE-2017-11837, CVE-2017-11838, CVE-2017-11839, CVE-2017-11840, CVE-2017-11841, CVE-2017-11843, CVE-2017-11846, CVE-2017-11858, CVE-2017-11859, CVE-2017-11861, CVE-2017-11862, CVE-2017-11866, CVE-2017-11869, CVE-2017-11870, and CVE-2017-11873.

Exploit prediction (EPSS)

7.98% probability of exploitation in the next 30 days, higher than 95% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.07.6AV:N/AC:H/Au:N/C:C/I:C/A:C
GitHub3.07.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

EcosystemPackageAffectedFixed in
nugetMicrosoft.ChakraCore
<1.7.4
1.7.4

Affected products

  • Microsoft Corporation ChakraCore, Microsoft Edge

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • securitytracker.com /id/1039780 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/101730 · vdb-entry, x_refsource_BID, x_transferred
  • portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2017-11871 · x_refsource_CONFIRM, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2017-11871 · advisory
  • github.com /chakra-core/ChakraCore/pull/4226 · web
  • github.com /chakra-core/ChakraCore/commit/9d211a417757ba1ddcd0f2e72d9553535256107e · web
  • github.com /chakra-core/ChakraCore · package
  • web.archive.org /web/20210124114740/http://www.securityfocus.com/bid/101730 · web
  • web.archive.org /web/20210517135249/http://www.securitytracker.com/id/1039780 · web

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.