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.
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 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.