CVE-2019-6133
Medium
Description
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.
SeverityMedium
CVSS6.7
Exploit probability—
Product
Polkit
PublishedJan 11, 2019
First seenJan 11, 2019
How to fix
Vendor advisories
- usn.ubuntu.com/3903-2/
- access.redhat.com/errata/RHSA-2019:0230
- usn.ubuntu.com/3910-1/
- usn.ubuntu.com/3901-2/
- usn.ubuntu.com/3910-2/
- access.redhat.com/errata/RHSA-2019:0420
- usn.ubuntu.com/3908-2/
- usn.ubuntu.com/3901-1/
- usn.ubuntu.com/3903-1/
- usn.ubuntu.com/3908-1/
- usn.ubuntu.com/3934-1/
- access.redhat.com/errata/RHSA-2019:0832
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| polkit_project polkit | 0.115 | — |
| debian debian_linux | 8.0 | — |
| redhat enterprise_linux_desktop | 7.0, 6.0 | — |
| redhat enterprise_linux_server | 7.0, 6.0 | — |
| redhat enterprise_linux_server_aus | 7.6, 6.6 | — |
| redhat enterprise_linux_server_eus | 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 7.0, 6.0 | — |
| canonical ubuntu_linux | 12.04, 14.04, 16.04, 18.04, 18.10 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.