CVE-2018-6553

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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 4.6 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 2.0 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://usn.ubuntu.com/usn/usn-3713-1	Third Party Advisory
https://www.debian.org/security/2018/dsa-4243	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html	Issue Tracking Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201908-08

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:cups:cups:-:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Information

Published : 2018-08-10 08:29

Updated : 2019-10-02 17:03

NVD link : CVE-2018-6553

Mitre link : CVE-2018-6553

JSON object : View

CWE

NVD-CWE-noinfo

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Products Affected

debian

debian_linux

canonical

ubuntu_linux

cups

cups

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