Vulnerability in Crun Project
CVE-2022-27650
A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers were started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.013 (68.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.001
Affected products
- Crun Project
- Fedoraproject Fedora — versions 34
- Red Hat Enterprise Linux — versions 8.0
- Red Hat Openshift Container Platform — versions 4.0
- Crun — versions Affects crun v1.4.3 and prior, Fixed in – v1.4.4
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398 (Third Party Advisory)
- github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2022-27650?
- CVE-2022-27650 is a high-severity vulnerability in Crun Project, classified under Incorrect Default Permissions. CVSS score: 7.5/10. Published 2022-04-04.
- How severe is CVE-2022-27650?
- High severity. CVSS v3 base score is 7.5 out of 10.