GHSA-q86f-fmqf-qrf6

Mail Gem CRLF Injection vulnerability

Source: GitHub Advisory Database (reviewed) Moderate CVE-2015-9097

Packages

Ecosystem	Package	Affected	Fixed in
RubyGems	mail	< 2.5.5	2.5.5

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2015-9097 advisory
https://github.com/rubysec/ruby-advisory-db/issues/215 web
https://github.com/mikel/mail/pull/1097 web
https://github.com/mikel/mail/commit/72befdc4dab3e6e288ce226a7da2aa474cf5be83 web
https://hackerone.com/reports/137631 web
https://github.com/advisories/GHSA-q86f-fmqf-qrf6 advisory
https://github.com/mikel/mail package
https://rubysec.com/advisories/mail-OSVDB-131677 web
http://openwall.com/lists/oss-security/2015/12/11/3 web
http://www.mbsd.jp/Whitepaper/smtpi.pdf web