Amazon Linux 2 : nerdctl (ALAS-2023-2193)

medium Nessus Plugin ID 179796

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of nerdctl installed on the remote host is prior to 1.1.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2193 advisory.

- A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests. (CVE-2022-41723)

- The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value. (CVE-2023-29406)

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

Solution

Run 'yum update nerdctl' to update your system.

Plugin Details

Severity: Medium

ID: 179796

File Name: al2_ALAS-2023-2193.nasl

Version: 1.2

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 8/14/2023

Updated: 8/31/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-29406

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/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:amazon:linux:nerdctl-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:nerdctl

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/3/2023

Vulnerability Publication Date: 2/15/2023

Reference Information

CVE: CVE-2022-41723, CVE-2023-29406

IAVB: 2023-B-0012-S, 2023-B-0052-S

Detections

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