National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

    Vulnerabilities Detail

CVE-2015-9096 Detail

Current 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.

Source:  MITRE
Description Last Modified:  06/12/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.1 MEDIUM
Vector: AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (V3 legend)
Impact Score: 2.7
Exploitability Score: 2.8

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.mbsd.jp/Whitepaper/smtpi.pdf Exploit Third Party Advisory
https://github.com/ruby/ruby/commit/0827a7e52ba3d957a634b063bf5a391239b9ffee Patch Third Party Advisory
https://github.com/rubysec/ruby-advisory-db/issues/215 Issue Tracking Third Party Advisory
https://hackerone.com/reports/137631 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
https://www.debian.org/security/2017/dsa-3966

Technical Details

Vulnerability Type (View All)

  • Improper Neutralization of CRLF Sequences ('CRLF Injection') (CWE-93)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-9096
NVD Published Date:
06/12/2017
NVD Last Modified:
07/14/2018