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ubuntucveUbuntu.comUB:CVE-2018-12550
HistoryMar 27, 2019 - 12:00 a.m.

CVE-2018-12550

2019-03-2700:00:00
ubuntu.com
ubuntu.com
8

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

52.4%

When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to
use an ACL file, and that ACL file is empty, or contains only comments or
blank lines, then Mosquitto will treat this as though no ACL file has been
defined and use a default allow policy. The new behaviour is to have an
empty ACL file mean that all access is denied, which is not a useful
configuration but is not unexpected.

Notes

Author Note
ebarretto mosquitto’s version on Trusty is EOL.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchmosquitto< 1.4.15-2ubuntu0.18.04.1UNKNOWN
ubuntu18.10noarchmosquitto< 1.4.15-2ubuntu0.18.10.1UNKNOWN
ubuntu14.04noarchmosquitto< anyUNKNOWN
ubuntu16.04noarchmosquitto< 1.4.8-1ubuntu0.16.04.5UNKNOWN

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

52.4%