Amazon Linux AMI update for oci-add-hooks

1) Resource exhaustion

EUVDB-ID: #VU82064

Risk: Medium

CVSSv4.0: 6.6 [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:U/U:Green]

CVE-ID: CVE-2023-39325

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to excessive consumption of internal resources when handling HTTP/2 requests. A remote attacker can bypass the http2.Server.MaxConcurrentStreams setting by creating new connections while the current connections are still being processed, trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    oci-add-hooks-debuginfo-0-0.1.20200504git268e3bb.amzn2023.0.2.aarch64
    oci-add-hooks-0-0.1.20200504git268e3bb.amzn2023.0.2.aarch64
    oci-add-hooks-debugsource-0-0.1.20200504git268e3bb.amzn2023.0.2.aarch64

src:
    oci-add-hooks-0-0.1.20200504git268e3bb.amzn2023.0.2.src

x86_64:
    oci-add-hooks-debuginfo-0-0.1.20200504git268e3bb.amzn2023.0.2.x86_64
    oci-add-hooks-debugsource-0-0.1.20200504git268e3bb.amzn2023.0.2.x86_64
    oci-add-hooks-0-0.1.20200504git268e3bb.amzn2023.0.2.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3

• cpe:2.3:o:amazon_web_services:amazon_linux_ami:*:*:*:*:*:*:*:*

External links

http://alas.aws.amazon.com/AL2023/ALAS-2023-418.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.