CVE-2015-9096

Public Exploit

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.45%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.debian.org/security/2017/dsa-3966 vendor advisory
https://hackerone.com/reports/137631 third party advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html mailing list
https://github.com/rubysec/ruby-advisory-db/issues/215 issue tracking third party advisory
https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffee third party advisory patch
http://www.mbsd.jp/Whitepaper/smtpi.pdf third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2015-9096?
CVE-2015-9096 has been scored as a medium severity vulnerability.
How to fix CVE-2015-9096?
To fix CVE-2015-9096, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-9096 being actively exploited in the wild?
It is possible that CVE-2015-9096 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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