CVE-2022-27650 - Incorrect Default Permissions

Severity

75%

Complexity

16%

Confidentiality

98%

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.

CVSS 3.1 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 6. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:S/C:P/I:P/A:P).

Overview

Type

Red Hat

First reported 2 years ago

2022-04-04 20:15:00

Last updated 2 years ago

2022-11-28 17:51:00

Affected Software

Red Hat Openshift Container Platform 4.0

4.0

Red Hat Enterprise Linux 8.0

8.0

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

FEDORA-2022-10fd054d40

https://bugzilla.redhat.com/show_bug.cgi?id=2066845

Issue Tracking, Third Party Advisory

https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6

Patch, Third Party Advisory

https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398

Third Party Advisory

FEDORA-2022-10fd054d40

Mailing List, Release Notes, Third Party Advisory

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