Mail Gem CRLF Injection vulnerability · CVE-2015-9097 · GitHub Advisory Database · GitHub

Mail Gem CRLF Injection vulnerability

Moderate severity GitHub Reviewed Published Oct 24, 2017 to the GitHub Advisory Database • Updated Sep 5, 2023

Package

mail (RubyGems)

Affected versions

< 2.5.5

Patched versions

2.5.5

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.

References

Published to the GitHub Advisory Database Oct 24, 2017

Reviewed Jun 16, 2020

Last updated Sep 5, 2023

Severity

Moderate

6.1

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

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