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CVE

CVE-2019-0568

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Mi

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2019-0539, CVE-2019-0567.

HIGH · CVSS 7.5 EPSS 0.81478
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
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Affected Products & Versions

2
microsoft chakracoreall versions
microsoft edgeall versions
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet Microsoft.ChakraCore HIGH fixed in 1.11.5
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Public Exploits & PoCs

2
dosMicrosoft Edge Chakra - 'JsBuiltInEngineInterfaceExtensionObject::InjectJsBuiltInLibraryCode' Use-After-Freeverified
pocwww.exploit-db.com · 46205www.exploit-db.com
◈

Detection Rules (IDS/IPS)

1
et-openET EXPLOIT Microsoft Edge Chakra - InjectJsBuiltInLibraryCode Use-After-Free Inbound (CVE-2019-0568)attempted-admin
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
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Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Jan 2019 · 09:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
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Vendor Advisories

1
msrcCVE-2019-0568Remote Code Execution
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/106420Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0568PatchVendor Advisory
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