CVE-2018-6553
cups-ppdc: The CUPS AppArmor profile incorrectly confined the dnssd backend due to use of hard links
CVE-2018-6553 is fixed in 14 products on 1 platform, first by cups 2.2.7-1ubuntu2.1, released July 10, 2018. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0039
32nd percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| cups · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| cups-bsd · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups-bsd 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| cups-client · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups-client 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| cups-common · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups-common 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| cups-core-drivers · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups-core-drivers 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| cups-daemon · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups-daemon 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| cups-ipp-utils · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups-ipp-utils 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| cups-ppdc · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups-ppdc 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| cups-server-common · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | cups-server-common 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| libcups2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | libcups2 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| libcupscgi1 · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | libcupscgi1 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| libcupsimage2 · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | libcupsimage2 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| libcupsmime1 · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | libcupsmime1 2.2.7-1ubuntu2.1 | Jul 10, 2018 |
| libcupsppdc1 · Ubuntu 18.04.6 LTS (bionic) | 2.2.7-1ubuntu2.1 | libcupsppdc1 2.2.7-1ubuntu2.1 | Jul 10, 2018 |