CVE-2015-9097 : The mail gem before 2.5.5 for Ruby (aka A Really Ruby Mail Library) is vulnerable to SMTP command injection via CRLF seq

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.

Published 2017-06-12 20:29:00

Updated 2017-07-05 16:43:22

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2015-9097

EPSS FAQ

0.23%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 61 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-9097

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:P/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2015-9097

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.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-9097

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

CVE-2015-9097: prevent SMTP command injection via To/From addresses by jeremy · Pull Request #1097 · mikel/mail · GitHub
Issue Tracking;Third Party Advisory
https://rubysec.com/advisories/mail-OSVDB-131677

Rubysec
Issue Tracking;Vendor Advisory
https://github.com/mikel/mail/commit/72befdc4dab3e6e288ce226a7da2aa474cf5be83

Also unfold and split lazily · mikel/mail@72befdc · GitHub
Exploit;Third Party Advisory
http://www.mbsd.jp/Whitepaper/smtpi.pdf

Third Party Advisory

CVEs referencing this url
https://github.com/rubysec/ruby-advisory-db/issues/215

Add advisory for SMTP injection vulnerability in mail <2.6.0 · Issue #215 · rubysec/ruby-advisory-db · GitHub
Issue Tracking;Third Party Advisory

CVEs referencing this url
http://openwall.com/lists/oss-security/2015/12/11/3

oss-security - CVE request: mail ruby gem <2.6.0 vulnerable to SMTP injection via recipient email addresses
Mailing List;Third Party Advisory
https://hackerone.com/reports/137631

#137631 SMTP command injection
Issue Tracking;Third Party Advisory

CVEs referencing this url

Products affected by CVE-2015-9097

Mail Project » Mail » For Ruby
Versions up to, including, (<=) 2.5.4
cpe:2.3:a:mail_project:mail:*:*:*:*:*:ruby:*:*
Matching versions

Vulnerability Details : CVE-2015-9097

Exploit prediction scoring system (EPSS) score for CVE-2015-9097

CVSS scores for CVE-2015-9097

CWE ids for CVE-2015-9097

References for CVE-2015-9097

Products affected by CVE-2015-9097