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ubuntucveUbuntu.comUB:CVE-2018-14345
HistoryJul 17, 2018 - 12:00 a.m.

CVE-2018-14345

2018-07-1700:00:00
ubuntu.com
ubuntu.com
10

6 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

42.8%

An issue was discovered in SDDM through 0.17.0. If configured with
ReuseSession=true, the password is not checked for users with an already
existing session. Any user with access to the system D-Bus can therefore
unlock any graphical session. This is related to daemon/Display.cpp and
helper/backend/PamBackend.cpp.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchsddm< anyUNKNOWN
ubuntu16.04noarchsddm< anyUNKNOWN

6 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

42.8%