4 matches found
CVE-2022-21449
CVE-2022-21449 repo showcasing generation of a base64 signature for applications that are vulnerable to "psychic signatures in java", implemented in a nodejs environment ๐ Before running make sure to install the modified fork of elliptic from https://github.com/davwwwx/elliptic root@kitploit: $ n...
CVE-2022-21449-TLS-PoC
CVE-2022-21449-TLS-PoC CVE-2022-21449 Neil Madden์ ์ทจ์ฝ์ ๊ธ์์ Psychic Signatures๋ผ๊ณ ๋ ๋ถ๋ฆผ ์ทจ์ฝํ ํด๋ผ์ด์ธํธ์ ์ ์์ ์ธ TLS ์๋ฒ๋ฅผ ์ฌ์ฉํ ๊ฐ๋ ์ฆ๋ช PoC์ ๋๋ค. ์ ์์ ์ธ ์๋ฒ๋ www.google.com์ ๋ํ ์ ํจํ2022-04-20 ๊ธฐ์ค ์ธ์ฆ์ ์ฒด์ธ์ ์ ์ํ๋ฉฐ, ์ด ์ฒด์ธ์๋ ECDSA ๊ณต๊ฐ ํคsecp256r1๊ฐ ํฌํจ๋์ด ์์ต๋๋ค. ๊ทธ๋ฌ๋ crypto/ecdsa ํจํค์ง๊ฐ ์์ ๋์ด r = s = 0์ธ ์๋ชป๋ ์๋ช ์ ์ ์ํฉ๋๋ค. ์ทจ์ฝํ ํด๋ผ์ด์ธํธ๋ ์ด ์๋ชป๋ ์๋ช ์...
psychic-signatures
CVE-2022-21449: Psychic Signatures in Java...
Check Point Response to CVE-2022-21449 - Java "Psychic Signatures"
Symptoms - On April 20, 2022, security researcher Neil Madden published a blog post in which he provided details about a newly disclosed vulnerability in Java, CVE-2022-21449 or "Psychic Signatures". This security vulnerability originates in an incorrect implementation of the ECDSA signature...