CVE-2021-47944

Summary

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.

Affected Software

Weaknesses

• CWE-789: Memory Allocation with Excessive Size Value

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.exploit-db.com/exploits/49977
• https://www.vulncheck.com/advisories/memono-notepad-denial-of-service-via-buffer-overflow

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