Amazon Linux 2 : aws-nitro-enclaves-cli (ALASNITRO-ENCLAVES-2023-021)

high Nessus Plugin ID 173211


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


The version of aws-nitro-enclaves-cli installed on the remote host is prior to 1.2.2-0. It is, therefore, affected by a vulnerability as referenced in the ALAS2NITRO-ENCLAVES-2023-021 advisory.

- Hyperium Hyper before 0.14.19 does not allow for customization of the max_header_list_size method in the H2 third-party software, allowing attackers to perform HTTP2 attacks. (CVE-2022-31394)

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


Run 'yum update aws-nitro-enclaves-cli' to update your system.

See Also

Plugin Details

Severity: High

ID: 173211

File Name: al2_ALASNITRO-ENCLAVES-2023-021.nasl

Version: 1.2

Type: local

Agent: unix

Published: 3/22/2023

Updated: 8/14/2023

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

Risk Information


Risk Factor: Medium

Score: 4.4


Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2022-31394


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:N/A:H

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:aws-nitro-enclaves-cli, p-cpe:/a:amazon:linux:aws-nitro-enclaves-cli-debuginfo, p-cpe:/a:amazon:linux:aws-nitro-enclaves-cli-devel, p-cpe:/a:amazon:linux:aws-nitro-enclaves-cli-integration-tests, cpe:/o:amazon:linux:2

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: 3/17/2023

Vulnerability Publication Date: 2/21/2023

Reference Information

CVE: CVE-2022-31394