Upstream information
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.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having important severity.
| National Vulnerability Database | |
|---|---|
| Base Score | 4.6 |
| Vector | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| Access Vector | Local |
| Access Complexity | Low |
| Authentication | None |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| National Vulnerability Database | |
|---|---|
| Base Score | 8.8 |
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| Access Vector | Local |
| Access Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Changed |
| Confidentiality Impact | High |
| Integrity Impact | High |
| Availability Impact | High |
| CVSSv3 Version | 3 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.
| Product(s) | Source package | State |
|---|---|---|
| SUSE Linux Enterprise 15 Module for Basesystem | cups | Not affected |
| SUSE Linux Enterprise 15 Module for Desktop Applications | cups | Not affected |
| SUSE Linux Enterprise 15 Module for Development Tools | cups | Not affected |
| SUSE Linux Enterprise Desktop 12 SP3 | cups | Not affected |
| SUSE Linux Enterprise Server 11 SP3 LTSS | cups | Not affected |
| SUSE Linux Enterprise Server 11 SP4 | cups | Not affected |
| SUSE Linux Enterprise Server 12 LTSS | cups | Not affected |
| SUSE Linux Enterprise Server 12 SP1 LTSS | cups | Not affected |
| SUSE Linux Enterprise Server 12 SP2 LTSS | cups | Not affected |
| SUSE Linux Enterprise Server 12 SP3 | cups | Not affected |
| SUSE Linux Enterprise Software Bootstrap Kit 12 | cups | Not affected |
| SUSE Linux Enterprise Software Development Kit 11 SP4 | cups | Not affected |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | cups | Not affected |
