CVE-2021-47969

Color Notes 1.4 Denial of Service via Long Character String

CVSS 8.7 HIGHEPSS 0.3%CWE-789

Color Notes 1.4 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 350,000 repeated characters and paste it twice into a new note to cause the application to stop responding.

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

Affected products

color-notes · Color Notes

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/49952unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://www.exploit-db.com/exploits/49952 https://www.vulncheck.com/advisories/color-notes-denial-of-service-via-long-character-string