CVE-2021-47971
HIGHMy Notes Safe 5.3 Denial of Service via Buffer Overflow
Title source: cnaExploitation Summary
EIP tracks 1 public exploit for CVE-2021-47971. PoCs published by Geovanni Ruiz.
AI-analyzed exploit summary This PoC demonstrates a DoS vulnerability in My Notes Safe 5.3 by generating a large payload (350,000 'A' characters) that crashes the application when pasted into a note. The exploit is straightforward and targets a buffer overflow or memory handling issue in the iOS app.
Description
My Notes Safe 5.3 contains a denial of service vulnerability that allows attackers to crash the application by pasting excessively long character strings 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.
Exploits (1)
This PoC demonstrates a DoS vulnerability in My Notes Safe 5.3 by generating a large payload (350,000 'A' characters) that crashes the application when pasted into a note. The exploit is straightforward and targets a buffer overflow or memory handling issue in the iOS app.
References (2)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H