CVE-2018-6553
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Cups
PublishedAug 10, 2018
First seenAug 10, 2018
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cups cups | No range specified | — |
| canonical ubuntu_linux | 14.04, 16.04, 17.10, 18.04 | — |
| debian debian_linux | 8.0, 9.0 | — |
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