Amazon Linux AMI update for nerdctl



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-41723
CVE-2023-29406
CWE-ID CWE-400
CWE-644
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

nerdctl
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU72686

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-2022-41723

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 application does not properly control consumption of internal resources in the HPACK decoder. A remote attacker can send a specially crafted HTTP/2 stream to the application, cause resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    nerdctl-1.1.0-1.amzn2023.0.2.aarch64

src:
    nerdctl-1.1.0-1.amzn2023.0.2.src

x86_64:
    nerdctl-1.1.0-1.amzn2023.0.2.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

nerdctl: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-313.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.

2) Improper Neutralization of HTTP Headers for Scripting Syntax

EUVDB-ID: #VU78327

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-29406

CWE-ID: CWE-644 - Improper Neutralization of HTTP Headers for Scripting Syntax

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to improper input validation in HTTP/1 client when handling HTTP Host header. A remote non-authenticated attacker can send a specially crafted HTTP request with a maliciously crafted Host header and inject additional headers or entire requests.

Successful exploitation of the vulnerability may allow an attacker to perform cross-site scripting, cache poisoning or session hijacking attacks.

Mitigation

Update the affected packages:

aarch64:
    nerdctl-1.1.0-1.amzn2023.0.2.aarch64

src:
    nerdctl-1.1.0-1.amzn2023.0.2.src

x86_64:
    nerdctl-1.1.0-1.amzn2023.0.2.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

nerdctl: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-313.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.



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