CVE-2021-47971: my-notes-safe My Notes Safe, отказ на услуга

Описание

Оригинално описание

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.

Засегнати продукти

• my-notes-safe My Notes Safe: 5.3

Вид слабост

• CWE-789 Memory Allocation with Excessive Size Value

История

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2021-47971
• https://nvd.nist.gov/vuln/detail/CVE-2021-47971
• https://www.exploit-db.com/exploits/49954
• https://www.vulncheck.com/advisories/my-notes-safe-denial-of-service-via-buffer-overflow