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ubuntucveUbuntu.comUB:CVE-2020-7247
HistoryJan 29, 2020 - 12:00 a.m.

CVE-2020-7247

2020-01-2900:00:00
ubuntu.com
ubuntu.com
10

10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.975 High

EPSS

Percentile

100.0%

JSON

smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6
and other products, allows remote attackers to execute arbitrary commands
as root via a crafted SMTP session, as demonstrated by shell metacharacters
in a MAIL FROM field. This affects the “uncommented” default configuration.
The issue exists because of an incorrect return value upon failure of input
validation.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchopensmtpd< 6.0.3p1-1ubuntu0.1UNKNOWN
ubuntu19.10noarchopensmtpd< 6.0.3p1-6ubuntu0.1UNKNOWN
ubuntu14.04noarchopensmtpd< 5.4.1p1-1ubuntu0.1~esm1UNKNOWN
ubuntu16.04noarchopensmtpd< 5.7.3p2-1ubuntu0.1~esm1UNKNOWN

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10 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

0.975 High

EPSS

Percentile

100.0%

JSON
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