Detections
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Ubuntu 18.04 LTS : runC vulnerabilities (USN-4297-1)

high Nessus Plugin ID 134367

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

It was discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount over the /proc directory and escalate privileges. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-16884)

It was discovered that runC incorrectly performed access control. An attacker could possibly use this issue to escalate privileges.
(CVE-2019-19921).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected golang-github-opencontainers-runc-dev and / or runc packages.

See Also

https://ubuntu.com/security/notices/USN-4297-1

Plugin Details

Severity: High

ID: 134367

File Name: ubuntu_USN-4297-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 3/10/2020

Updated: 10/21/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-16884

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:runc, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:golang-github-opencontainers-runc-dev

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/9/2020

Vulnerability Publication Date: 9/25/2019

Reference Information

CVE: CVE-2019-16884, CVE-2019-19921

USN: 4297-1