Chinese Spam e-mail intercepted by the BitNinja SMTP CAPTCHA module

Details of BNVL-2019-0023

What does the BNVL label mean?

BitNinja Server Security's BNVL identifiers are intended for use to identify publicly known information security vulnerabilities in publicly released software packages. This project was designed to collect and analyze attack information from the BitNinja network after cluster analyzis by the AI-powered Attack Vector Miner. More than 100 vulnerabilty types have been discovered with this project so far, so we decided to publish this platform to help keeping Linux server owners up-to-date.

Important! All listed BNVL vulnerabilities are protected by BitNinja PRO, so please check your configurations if your infrastructure is affected by any of them.

Syntax for BNVL labels:

BNVL prefix + Year + Arbitrary Digits

BNVL identifiers are free to use in any related security reports, web pages or e-mails.

Name: Chinese Spam e-mail intercepted by the BitNinja SMTP CAPTCHA module

CVE ID: (Not set)

Related links: (There are no links!)
Description:

The offending IP was trying to deliver a spam e-mail to a bitninja protected server, but the IP was greylisted, and the e-mail headers was saved by the bitninja SMTP CAPTCHA module. The e-mail is a UTF-8 encoded e-mail written in chinese.

Incident volume (Last 14 days)