CVE-2023-38686

Sydent is an identity server for the Matrix communications protocol. Prior to version 2.5.6, if configured to send emails using TLS, Sydent does not verify SMTP servers' certificates. This makes Sydent's emails vulnerable to interception via a man-in-the-middle MITM attack. Attackers with...

CVE-2023-38686 Sydent does not verify email server certificates

Sydent is an identity server for the Matrix communications protocol. Prior to version 2.5.6, if configured to send emails using TLS, Sydent does not verify SMTP servers' certificates. This makes Sydent's emails vulnerable to interception via a man-in-the-middle MITM attack. Attackers with...

Hiro: No Confirmation Email For Email Change

https://forum.blockstack.org/u/username/preferences/email Hello, it looks like there is a security flaw in this part. While changing email address from email1 to email2. A Confirmation email is sent to email2 not to email1 which is the main account. This can lead to account lost if someone has us...