CRLF Injection The advisory has been revoked - it doesn't affect any version of package ruby-mail (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1704-RUBYMAIL-623629
- published12 Jun 2017
- disclosed12 Jun 2017
Introduced: 12 Jun 2017
CVE-2015-9097 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:17.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby-mail package and not the ruby-mail package as distributed by Ubuntu.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-9097
- https://security-tracker.debian.org/tracker/CVE-2015-9097
- https://github.com/mikel/mail/commit/72befdc4dab3e6e288ce226a7da2aa474cf5be83
- https://github.com/rubysec/ruby-advisory-db/issues/215
- https://github.com/mikel/mail/pull/1097
- https://hackerone.com/reports/137631
- https://rubysec.com/advisories/mail-OSVDB-131677
- http://www.mbsd.jp/Whitepaper/smtpi.pdf
- http://openwall.com/lists/oss-security/2015/12/11/3