CVE-2018-6553

Impact:
Important
Public Date:
2018-05-09
CWE:
CWE-270
Bugzilla:
1607285: CVE-2018-6553 cups: AppArmor cupsd Sandbox Bypass Due to Use of Hard Links
An AppArmor sandbox bypass has been discovered in cups due to the use of hard links which are not covered by the AppArmor profile. An attacker could use the hard link, if it exists, to execute the referenced backend without sandbox restrictions.

Find out more about CVE-2018-6553 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This issue did not affect the versions of cups as shipped with Red Hat Enterprise Linux as they did not include support for AppArmor.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Virtualization 4 cups Not affected
Red Hat Enterprise Linux 7 cups Not affected
Red Hat Enterprise Linux 6 cups Not affected
Red Hat Enterprise Linux 5 cups Not affected

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