CVE-2015-9097

Published: Jun 12, 2017Modified: May 13, 2026

6.1

Vector

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

Exploitability: 2.8 / Impact: 2.7

Source: NVD

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.

Affected (1)

Products: Mail Project: Mail

Mail Project

1 product

Mail

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mail Project Mail	Up to 2.5.4

Related CWEs

CWE-93

Improper Neutralization of CRLF Sequences ('CRLF Injection')

The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs.

References (14)

http://openwall.com/lists/oss-security/2015/12/11/3

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.mbsd.jp/Whitepaper/smtpi.pdf

Source: cve@mitre.org

Third Party Advisory

https://github.com/mikel/mail/commit/72befdc4dab3e6e288ce226a7da2aa474cf5be83

Source: cve@mitre.org

ExploitThird Party Advisory

https://github.com/mikel/mail/pull/1097

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://github.com/rubysec/ruby-advisory-db/issues/215

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://hackerone.com/reports/137631

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://rubysec.com/advisories/mail-OSVDB-131677

Source: cve@mitre.org

Issue TrackingVendor Advisory

http://openwall.com/lists/oss-security/2015/12/11/3