Vulnerability Description
A flaw was found in podman before 1.7.0. File permissions for non-root users running in a privileged container are not correctly checked. This flaw can be abused by a low-privileged user inside the container to access any other file in the container, even if owned by the root user inside the container. It does not allow to directly escape the container, though being a privileged container means that a lot of security features are disabled when running the container. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Podman Project | Podman | < 1.7.0 |
| Redhat | Openshift Container Platform | 3.11 |
| Redhat | Enterprise Linux | 7.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1915734Issue TrackingPatchVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1915734Issue TrackingPatchVendor Advisory
FAQ
What is CVE-2021-20188?
CVE-2021-20188 is a vulnerability with a CVSS score of 7.0 (HIGH). A flaw was found in podman before 1.7.0. File permissions for non-root users running in a privileged container are not correctly checked. This flaw can be abused by a low-privileged user inside the co...
How severe is CVE-2021-20188?
CVE-2021-20188 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20188?
Check the references section above for vendor advisories and patch information. Affected products include: Podman Project Podman, Redhat Openshift Container Platform, Redhat Enterprise Linux.