Amazon Linux AMI update for cni-plugins

1) Resource exhaustion

EUVDB-ID: #VU88184

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-45288

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient limitations placed on the amount of CONTINUATION frames that can be sent within a single HTTP/2 stream. A remote attacker can send specially crafted HTTP/2 requests to the server and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    cni-plugins-1.2.0-1.amzn2023.0.5.aarch64
    cni-plugins-debuginfo-1.2.0-1.amzn2023.0.5.aarch64
    cni-plugins-debugsource-1.2.0-1.amzn2023.0.5.aarch64

src:
    cni-plugins-1.2.0-1.amzn2023.0.5.src

x86_64:
    cni-plugins-debuginfo-1.2.0-1.amzn2023.0.5.x86_64
    cni-plugins-1.2.0-1.amzn2023.0.5.x86_64
    cni-plugins-debugsource-1.2.0-1.amzn2023.0.5.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

cni-plugins: All versions

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*
• cpe:2.3:a:amazon_web_services:cni-plugins:*:*:*:*:*:amazon_linux_ami:*:*

External links

https://alas.aws.amazon.com/AL2023/ALAS-2024-630.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. However, proof of concept for this vulnerability is available.