CVE-2018-6553

2018-07-1100:00:00

ubuntu.com

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

The CUPS AppArmor profile incorrectly confined the dnssd backend due to use
of hard links. A local attacker could possibly use this issue to escape
confinement. This flaw affects versions prior to 2.2.7-1ubuntu2.1 in Ubuntu
18.04 LTS, prior to 2.2.4-7ubuntu3.1 in Ubuntu 17.10, prior to
2.1.3-4ubuntu0.5 in Ubuntu 16.04 LTS, and prior to 1.7.2-0ubuntu1.10 in
Ubuntu 14.04 LTS.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchcups< 2.2.4-7ubuntu3.1UNKNOWN
ubuntu18.04noarchcups< 2.2.7-1ubuntu2.1UNKNOWN
ubuntu14.04noarchcups< 1.7.2-0ubuntu1.10UNKNOWN
ubuntu16.04noarchcups< 2.1.3-4ubuntu0.5UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	17.10	noarch	cups	< 2.2.4-7ubuntu3.1	UNKNOWN
ubuntu	18.04	noarch	cups	< 2.2.7-1ubuntu2.1	UNKNOWN
ubuntu	14.04	noarch	cups	< 1.7.2-0ubuntu1.10	UNKNOWN
ubuntu	16.04	noarch	cups	< 2.1.3-4ubuntu0.5	UNKNOWN