
Find real vulnerabilities before they ship
The mail gem before 2.5.5 for Ruby (aka A Really Ruby Mail Library) is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring.
Base Score
6.1| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| mail(RubyGems) | 0 | 2.5.5 | N/A |
| Base Score | 6.1 |
|---|---|
| Vector String | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Base Severity | Medium |
| Version | 3.0 |
| Attack Vector (AV) | NETWORK |