High severity · published Apr 8, 2020
CVE-2019-15789
Privilege escalation vulnerability in MicroK8s allows a low privilege user with local access to obtain root access to the host by provisioning a privileged container
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
Privilege escalation vulnerability in MicroK8s allows a low privilege user with local access to obtain root access to the host by provisioning a privileged container. Fixed in MicroK8s 1.15.3.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MI
Microk8s · Canonical
before 1.15.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15789
Third Party Advisory
https://discuss.kubernetes.io/t/explicit-use-of-sudo-in-microk8s-cli/7605
Third Party Advisory
https://github.com/ubuntu/microk8s/pull/590
Vendor Advisory
https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-15789.html
Exploit
https://pulsesecurity.co.nz/advisories/microk8s-privilege-escalation