CVE-2022-27650
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.2% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.2% · EPSS, next 30 days
- Weakness
- CWE-276 · Incorrect default permissions
- Record status
- Modified
Affected
- Crun Project Crun < 1.4.4
- Fedoraproject Fedora 34
- Redhat Openshift Container Platform 4.0
- Redhat Enterprise Linux 8.0
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-27650.md and follow it. Check whether this project is affected by CVE-2022-27650. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6
- https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398
- https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6
- https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2066845
- https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6
- https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYIGABCZ7ZHAG2XCOGITTQRJU2ASWMFA/
- https://bugzilla.redhat.com/show_bug.cgi?id=2066845
- https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6
- https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYIGABCZ7ZHAG2XCOGITTQRJU2ASWMFA/