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CVE-2021-47970— Macaron Notes 5.5 Denial of Service via Buffer Overflow

CVSS 7.5 · High

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProductVersion RangeStatus
macaron-notes-great-notebookMacaron Notes Gear Notebook5.5affected
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I. Basic Information for CVE-2021-47970

Vulnerability Information
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Vulnerability Title
Macaron Notes 5.5 Denial of Service via Buffer Overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
Macaron Notes 5.5 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can generate a payload containing 350000 repeated characters and paste it into a note field to trigger application crash and stop functionality.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的内存分配
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
macaron-notes-great-notebookMacaron Notes Gear Notebook 5.5 -

II. Public POCs for CVE-2021-47970

#POC DescriptionSource LinkShenlong Link
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III. Intelligence Information for CVE-2021-47970

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IV. Related Vulnerabilities

Same weakness: CWE-789

V. Comments for CVE-2021-47970

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