CVE-2015-9096

Net::SMTP in Ruby before 2.4.0 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.
CRLF Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
VendorProductVersion
ruby-langruby
𝑥
≤ 2.4.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ruby1.9.1
zesty
dne
yakkety
dne
xenial
dne
trusty
Fixed 1.9.3.484-2ubuntu1.3
released
ruby2.0
zesty
dne
yakkety
dne
xenial
dne
trusty
Fixed 2.0.0.484-1ubuntu2.4
released
ruby2.3
zesty
Fixed 2.3.3-1ubuntu0.1
released
yakkety
ignored
xenial
Fixed 2.3.1-2~16.04.2
released
trusty
dne
Common Weakness Enumeration
References
http://www.mbsd.jp/Whitepaper/smtpi.pdf
https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffee
https://github.com/rubysec/ruby-advisory-db/issues/215
https://hackerone.com/reports/137631
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://www.debian.org/security/2017/dsa-3966
http://www.mbsd.jp/Whitepaper/smtpi.pdf
https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffee
https://github.com/rubysec/ruby-advisory-db/issues/215
https://hackerone.com/reports/137631
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://www.debian.org/security/2017/dsa-3966