Advisories

memono Notepad 4.2 Denial of Service via Buffer Overflow

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severity
high
date
Affecting
  • Notepad <= 4.2

CWE
  • CWE-789 Memory Allocation with Excessive Size Value
CVSS
8.7
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Geovanni Ruiz
Description
memono Notepad 4.2 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character buffers into note fields. Attackers can generate a payload containing 350000 repeated characters and paste it twice into a new note to trigger an application crash on iOS devices.

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