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Chakracore CVE-2023-37139

MEDIUM
Out-of-bounds Write (CWE-787)
2023-07-18 cve@mitre.org
Memory Corruption Buffer Overflow Chakracore
5.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
CVE Published
Jul 18, 2023 - 20:15 nvd
MEDIUM 5.5

DescriptionNVD

ChakraCore branch master cbb9b was discovered to contain a stack overflow vulnerability via the function Js::ScopeSlots::IsDebuggerScopeSlotArray().

AnalysisAI

ChakraCore branch master cbb9b was discovered to contain a stack overflow vulnerability via the function Js::ScopeSlots::IsDebuggerScopeSlotArray(). Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. ChakraCore branch master cbb9b was discovered to contain a stack overflow vulnerability via the function Js::ScopeSlots::IsDebuggerScopeSlotArray(). Affected products include: Microsoft Chakracore.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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Same weakness CWE-787 – Out-of-bounds Write

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CVE-2023-37139 vulnerability details – vuln.today
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