sslscan

SSLScan SSLScan queries SSL services, such as HTTPS, in order to determine the ciphers that are supported. SSLScan is designed to be easy, lean and fast. The output includes preferred ciphers of the SSL service, the certificate and is in Text and XML formats. Features Query SSL services Supported...

openssl

Welcome to the OpenSSL Project !openssl logowww.openssl.org !github actions ci badgegithub actions ci OpenSSL is a robust, commercial-grade, full-featured Open Source Toolkit for the Transport Layer Security TLS, formerly SSL, Datagram TLS DTLS, and QUIC protocols. The protocol implementations ar...

starttls-mitm

starttls-mitm is a mitm proxy that will transparently proxy and dump both plaintext and TLS traffic. It uses a user-provided keyfile and certificate file to impersonate remote servers. The user must explicitly instruct the device being man-in-the-middled to trust this certificate authority -- so...

sslyze

Note Current development of SSLyze now takes place on a separate repository: https://github.com/nabla-c0d3/sslyze. This repository will periodically be updated from this new parent repository, but for the most current version, please check the new repo. If you cloned the repository but wish to...

cipherscan

CipherScan Cipherscan tests the ordering of the SSL/TLS ciphers on a given target, for all major versions of SSL and TLS. It also extracts some certificates informations, TLS options, OCSP stapling and more. Cipherscan is a wrapper above the openssl sclient command line. Cipherscan is meant to ru...

striptls

striptls - auditing proxy poc implementation of STARTTLS stripping attacks A generic tcp proxy implementation and audit tool to perform protocol independent ssl/tls interception and STARTTLS stripping attacks on SMTP, POP3, IMAP, FTP, NNTP, XMPP, ACAP and IRC. Python2! 🏆 Trophies CVE-2016-0772 -...

striptls

striptls - proxy de auditoría implementación de prueba de concepto de ataques de despojo de STARTTLS Una implementación genérica de proxy tcp y herramienta de auditoría para realizar interceptación ssl/tls independiente del protocolo y ataques de despojo de STARTTLS en SMTP, POP3, IMAP, FTP, NNTP...

ldapserver

This package is a work in progress. ldapserver is a helper library for building server software capable of speaking the LDAP protocol. This could be an alternate implementation of LDAP, a custom LDAP proxy or even a completely different backend capable of "masquerading" its API as a LDAP Server...

USN-8487-2: curl regression

USN-8487-1 fixed vulnerabilities in curl. Unfortunately that update contained an incomplete fix for CVE-2026-8927. This update fixes the problem. Original advisory details: Andrew Nesbitt discovered that curl could reuse an existing live connection during STARTTLS-based connection upgrades even...

curl: curl: Insecure connection establishment due to TLS configuration mismatch

A flaw was found in curl. When a new data transfer attempts to upgrade its connection using STARTTLS, it may incorrectly reuse an existing live connection. This reuse can occur even if the Transport Layer Security TLS configuration of the new transfer does not match the existing connection,...

cve-2026-45185-detection-script

CVE-2026-45185 Detection Scripts c SECPlayground Platform —https://www.secplayground.com These detection scripts are property of the SECPlayground Platform. Two safe detection scripts. Neither drives the closenotify-mid-BDAT trigger, so they will not crash the daemon or leave panic-log entries...

p5-ssl-tools

Collection of SSL Tools This repository contains various tools, which are intended to debug or analyze problems related to SSL/TLS. Analyzing state of TLS analyze-ssl.pl check support for various SSL/TLS version check which ciphers are support verfiy certificate check OCSP state check if SNI is...

Heartbleed

Heartbleed A checker site and tool for CVE-2014-0160. Public site at https://filippo.io/Heartbleed/ Tool usage: Heartbleed -service="servicename" example.com:443 Heartbleed servicename://example.com:443 Exit codes: 0 - SAFE; 1 - VULNERABLE; 2 - ERROR. recently changed See the online FAQ for an...

EulerOS Virtualization 2.12.1 : curl (EulerOS-SA-2026-3580)

According to the versions of the curl packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A flaw in curl's cookie parsing logic allows a malicious HTTP server to set 'super cookies' that bypass the Public Suffix List check...

EulerOS 2.0 SP10 : curl (EulerOS-SA-2026-3734)

According to the versions of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS...

EulerOS 2.0 SP10 : curl (EulerOS-SA-2026-3687)

According to the versions of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS...

EulerOS 2.0 SP15 : ruby (EulerOS-SA-2026-3821)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a...

Astra Linux – Vulnerability in curl

When curl version 7.20.0 or later connects to an IMAP or POP3 server to retrieve data using STARTTLS to upgrade to TLS security, the server can send multiple responses at once, which are cached by curl. In this case, curl upgrades to TLS, but it does not discard the cached responses. Instead, it...

Astra Linux – Vulnerability in Ruby 2.5, JRuby

A issue was discovered in Ruby between versions 2.6.7, 2.7.x up to 2.7.3, and 3.x up to 3.0.1. The Net::IMAP library does not raise an exception when the StartTLS command fails with an unknown response. This may allow man-in-the-middle attackers to bypass TLS protections by leveraging the network...

PYSEC-2026-3805 aiosmtplib: STARTTLS response injection

Impact When a connection is upgraded with STARTTLS, aiosmtplib reads the server's 220 go-ahead reply and immediately performs the TLS handshake without discarding any data still sitting in the receive buffer. Bytes the protocol read off the plaintext socket before the handshake survive across the...