CVE-2022-27651
Medium
Description
A flaw was found in buildah where containers were incorrectly started with non-empty default permissions. A bug was found in Moby (Docker Engine) where containers were incorrectly started with non-empty inheritable Linux process capabilities, enabling an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs. This has the potential to impact confidentiality and integrity.
SeverityMedium
CVSS6.8
Exploit probability—
Product
Buildah
PublishedApr 4, 2022
First seenApr 4, 2022
Weakness typeCWE-276CWE-276
How to fix
Update
- buildah_project buildah1.25.0 or later
- github.com/containers/buildah1.25.0 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2VWH6X6HOFPO6HTESF42HIJZEPXSWVIO/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7NETC7I6RTMMBRJJQVJOJUPDK4W4PQSJ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/25YI27MENCEPZTTGRVU6BQD5V53FNI52/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| buildah_project buildah | v < 1.25.0 | 1.25.0 |
| fedoraproject fedora | 34, 35, 36 | — |
| redhat enterprise_linux | 7.0, 8.0 | — |
| github.com/containers/buildahGo | v < 1.25.0 | 1.25.0 |
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