CVE-2022-31214

A Privilege Context Switching issue was discovered in join.c in Firejail 0.9.68. By crafting a bogus Firejail container that is accepted by the Firejail setuid-root program as a join target, a local attacker can enter an environment in which the Linux user namespace is still the initial user namespace, the NONEWPRIVS prctl is not activated, and the entered mount namespace is under the attacker's control. In this way, the filesystem layout can be adjusted to gain root privileges through execution of available setuid-root binaries such as su or sudo.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/31xxx/CVE-2022-31214.json",
    "cna_assigner": "mitre"
}

References

Affected packages

Git / github.com/netblue30/firejail

Affected ranges

Type

GIT

Repo

https://github.com/netblue30/firejail

Events

Introduced

0845233a630a1f4224a83ae870b2d6141f978059

Last affected

0845233a630a1f4224a83ae870b2d6141f978059

Database specific

Show details

{
    "cpe": "cpe:2.3:a:firejail_project:firejail:0.9.68:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0.9.68"
        },
        {
            "last_affected": "0.9.68"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

0.*

0.9.68

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-31214.json"