bitcoin-security

bitcoin-security An educational study of where Bitcoin key security actually comes from — and where it doesn't. Built around real BIP39/BIP32 derivation, with two experiments that sit on opposite ends of the same idea:...

CVE-2026-6669

A flaw was found in PgBouncer. A malicious or compromised PostgreSQL backend can exploit a missing upper bound on the key derivation iteration count during SCRAM Salted Challenge Response Authentication Mechanism authentication. This can lead to uncontrolled CPU consumption in PgBouncer,...

EUVD-2026-85364

Missing upper bound on the key derivation iteration count accepted during SCRAM authentication to a backend server in PgBouncer through 1.25.2 allows a malicious or compromised PostgreSQL backend to cause uncontrolled CPU consumption in PgBouncer. The resulting key derivation cannot be interrupte...

PoC_CurveBall

CVE-2020-0601 - CurveBall Highlights PoC for CVE-2020-0601 Trivial solution for private-key of 1 Non-trivial solution for 1 private-key curve-order Written in C, uses OpenSSL's libcrypto Requirements Linux of some variety apt install libssl libssl-dev Or whatever package mananger you use Compilin...

SafeGuard

root@kitploit: ./safeguard --version 1.0 Safeguard is a fast, lightweight, cross-platform command-line file encryption tool written in Go. Security Notice This project is a learning-oriented file encryption tool. While it uses standard cryptographic primitives from Go’s standard library e.g...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

Steganography-Online-Codec-JavaScript

Steganography Online Codec SDK for JavaScript & NPM Steganographic Online Codec allows you to hide a password encrypted message within the images & photos using AES encryption algorithm with a 256-bit PBKDF2 derived key. You can use it for free at:...

CVE-2019-5420

CVE-2019-5420 Exploit for Rails CVE-2019-5420 The issue Until Rails v5.2.2, when secure the sessions in development mode, the application derives the key from the name of the application...

AdvSim.Cryptography

AdvSim.Cryptography The AdvSim.Cryptography NuGet contains a set of cryptographic wrapper functions which are reusable, configured with sane defaults and are easy to use. Further details are available under the different subheadings below. Symmetric Key Material Generation AES Triple DES RC4 RC2...

CVE-2020-12712

CVE-2020-12712: SOS JobScheduler decryption of stored password The script in this repository allows you to decrypt the passwords stored in the SFTP configuration file for a JobScheduler instance. Description SOS JobScheduler is a tool for remote system administration that allows users to call...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

OESA-2026-3769 wget security update

GNU Wget is a free software package for retrieving files using HTTP, HTTPS, FTP and FTPS the most widely-used Internet protocols. It is a non-interactive commandline tool, so it may easily be called from scripts, cron jobs, terminals without X-Windows support, etc. Security Fixes: GNU wget is...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...

crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages

A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...