Amazon Linux AMI update for aws-nitro-enclaves-cli

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU75144

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31394

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack.

The vulnerability exists due to the library does not allow customization of the max_header_list_size method in the H2 third-party software. A remote attacker can send overly large requests to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    aws-nitro-enclaves-cli-devel-1.2.2-0.amzn2023.aarch64
    aws-nitro-enclaves-cli-integration-tests-1.2.2-0.amzn2023.aarch64
    aws-nitro-enclaves-cli-1.2.2-0.amzn2023.aarch64

src:
    aws-nitro-enclaves-cli-1.2.2-0.amzn2023.src

x86_64:
    aws-nitro-enclaves-cli-devel-1.2.2-0.amzn2023.x86_64
    aws-nitro-enclaves-cli-integration-tests-1.2.2-0.amzn2023.x86_64
    aws-nitro-enclaves-cli-1.2.2-0.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

aws-nitro-enclaves-cli: before 1.2.2-0

External links

http://alas.aws.amazon.com/AL2023/ALAS-2023-129.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.