CVE-2015-9096
MEDIUM severity · CVSS 6.1 · CWE-93
6.1CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)2%
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffee ↗
Additional information
- NVD record
- https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffeePatch
- https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffeePatch
- https://github.com/rubysec/ruby-advisory-db/issues/215Advisory
- https://hackerone.com/reports/137631Advisory
- 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.pdfAdvisory
- http://www.mbsd.jp/Whitepaper/smtpi.pdfAdvisory