CVE-2015-9097 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

http://openwall.com/lists/oss-security/2015/12/11/3 http://www.mbsd.jp/Whitepaper/smtpi.pdf https://github.com/mikel/mail/commit/72befdc4dab3e6e288ce226a7da2aa474cf5be83 https://github.com/mikel/mail/pull/1097 https://github.com/rubysec/ruby-advisory-db/issues/215 https://hackerone.com/reports/137631 https://rubysec.com/advisories/mail-OSVDB-131677

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1