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rubygemsRubySecRUBY:MAIL-2015-9097-131677
HistoryDec 08, 2015 - 9:00 p.m.

CVE-2015-9097 rubygem-mail: SMTP injection via recipient email addresses

2015-12-0821:00:00
RubySec
rubysec.com
6

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

0.002 Low

EPSS

Percentile

61.6%

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.

CPENameOperatorVersion
maillt2.5.5

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

0.002 Low

EPSS

Percentile

61.6%