Detections
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CBL Mariner 2.0 Security Update: kubernetes / cri-tools (CVE-2024-21626)

high Nessus Plugin ID 190461

Synopsis

The remote CBL Mariner host is missing one or more security updates.

Description

The version of kubernetes / cri-tools installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-21626 advisory.

 - runc is a CLI tool for spawning and running containers on Linux according to the OCI specification. In runc 1.1.11 and earlier, due to an internal file descriptor leak, an attacker could cause a newly-spawned container process (from runc exec) to have a working directory in the host filesystem namespace, allowing for a container escape by giving access to the host filesystem (attack 2). The same attack could be used by a malicious image to allow a container process to gain access to the host filesystem through runc run (attack 1). Variants of attacks 1 and 2 could be also be used to overwrite semi-arbitrary host binaries, allowing for complete container escapes (attack 3a and attack 3b). runc 1.1.12 includes patches for this issue. (CVE-2024-21626)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2024-21626

Plugin Details

Severity: High

ID: 190461

File Name: mariner_moby-runc_CVE-2024-21626.nasl

Version: 1.2

Type: local

Published: 2/13/2024

Updated: 3/7/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2024-21626

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:microsoft:cbl-mariner:cri-tools, p-cpe:/a:microsoft:cbl-mariner:kubernetes, p-cpe:/a:microsoft:cbl-mariner:kubernetes-client, p-cpe:/a:microsoft:cbl-mariner:kubernetes-kube-apiserver, p-cpe:/a:microsoft:cbl-mariner:kubernetes-kube-controller-manager, p-cpe:/a:microsoft:cbl-mariner:kubernetes-kube-proxy, p-cpe:/a:microsoft:cbl-mariner:kubernetes-kube-scheduler, p-cpe:/a:microsoft:cbl-mariner:kubernetes-kubeadm, p-cpe:/a:microsoft:cbl-mariner:kubernetes-pause, x-cpe:/o:microsoft:cbl-mariner

Required KB Items: Host/local_checks_enabled, Host/CBLMariner/release, Host/CBLMariner/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/13/2024

Vulnerability Publication Date: 1/31/2024

Exploitable With

Metasploit (runc (docker) File Descriptor Leak Privilege Escalation)

Reference Information

CVE: CVE-2024-21626