7.5 High
AI Score
Confidence
Low
0.002 Low
EPSS
Percentile
61.6%
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.
openwall.com/lists/oss-security/2015/12/11/3
www.mbsd.jp/Whitepaper/smtpi.pdf
github.com/mikel/mail/commit/72befdc4dab3e6e288ce226a7da2aa474cf5be83
github.com/mikel/mail/pull/1097
github.com/rubysec/ruby-advisory-db/issues/215
hackerone.com/reports/137631
rubysec.com/advisories/mail-OSVDB-131677