Alibaba Cloud Linux 3 : 0034: container-tools:rhel8 (ALINUX3-SA-2021:0034)

high Nessus Plugin ID 236618

Synopsis

The remote Alibaba Cloud Linux host is missing one or more security updates.

Description

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2021:0034 advisory.

Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

CVE-2021-30465:
runc before 1.0.0-rc95 allows a Container Filesystem Breakout via Directory Traversal. To exploit the vulnerability, an attacker must be able to create multiple containers with a fairly specific mount configuration. The problem occurs via a symlink-exchange attack that relies on a race condition.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

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.

Plugin Details

Severity: High

ID: 236618

File Name: alinux3_sa_2021-0034.nasl

Version: 1.1

Type: local

Family: Alibaba Cloud Linux Local Security Checks

Published: 5/14/2025

Updated: 5/14/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2021-30465

CVSS v3

Risk Factor: High

Base Score: 8.5

Temporal Score: 7.4

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

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

Vulnerability Information

CPE: p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:oci-seccomp-bpf-hook-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:runc-debugsource, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:containernetworking-plugins-debugsource, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:skopeo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:buildah-debugsource, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:skopeo-tests, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:buildah-tests-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:conmon-debugsource, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:skopeo-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:conmon, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:containers-common, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:conmon-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:buildah, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:container-selinux, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:oci-seccomp-bpf-hook-debugsource, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:containernetworking-plugins, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:oci-seccomp-bpf-hook, cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:buildah-tests, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:buildah-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:runc, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:containernetworking-plugins-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:runc-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:skopeo-debugsource

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/24/2021

Vulnerability Publication Date: 5/14/2021

Reference Information

CVE: CVE-2021-30465

Detections

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