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Amazon Linux AMI : runc (ALAS-2020-1358)

high Nessus Plugin ID 135934

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related to libcontainer/rootfs_linux.go. To exploit this, an attacker must be able to spawn two containers with custom volume-mount configurations, and be able to run custom images.
(This vulnerability does not affect Docker due to an implementation detail that happens to block the attack.) (CVE-2019-19921)

Solution

Run 'yum update runc' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2020-1358.html

Plugin Details

Severity: High

ID: 135934

File Name: ala_ALAS-2020-1358.nasl

Version: 1.3

Type: local

Agent: unix

Published: 4/24/2020

Updated: 3/14/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

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

CVSS Score Source: CVE-2019-19921

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:runc, p-cpe:/a:amazon:linux:runc-debuginfo, cpe:/o:amazon:linux

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/23/2020

Vulnerability Publication Date: 2/12/2020

Reference Information

CVE: CVE-2019-19921

ALAS: 2020-1358