SUSE update for kubernetes1.24

Published: 2024-09-19 | Updated: 2024-12-06

Risk	High
Patch available	YES
Number of vulnerabilities	9
CVE-ID	CVE-2021-25743 CVE-2023-2727 CVE-2023-2728 CVE-2023-39325 CVE-2023-44487 CVE-2023-45288 CVE-2024-0793 CVE-2024-24786 CVE-2024-3177
CWE-ID	CWE-20 CWE-264 CWE-400 CWE-667 CWE-835
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #3 is available. Vulnerability #5 is being exploited in the wild. Public exploit code for vulnerability #6 is available.
Vulnerable software	SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 SP3 LTSS Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing LTSS 15 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 15 Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system kubernetes1.24-client-bash-completion Operating systems & Components / Operating system package or component kubernetes1.24-client-fish-completion Operating systems & Components / Operating system package or component kubernetes1.24-apiserver Operating systems & Components / Operating system package or component kubernetes1.24-controller-manager Operating systems & Components / Operating system package or component kubernetes1.24-kubelet Operating systems & Components / Operating system package or component kubernetes1.24-client Operating systems & Components / Operating system package or component kubernetes1.24-scheduler Operating systems & Components / Operating system package or component kubernetes1.24-kubelet-common Operating systems & Components / Operating system package or component kubernetes1.24-client-common Operating systems & Components / Operating system package or component kubernetes1.24-kubeadm Operating systems & Components / Operating system package or component kubernetes1.24-proxy Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 9 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU79792

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-2021-25743

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

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) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU77525

Risk: Medium

CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-2727

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to improperly imposed security restrictions. A remote user can launch containers using images that are restricted by ImagePolicyWebhook when using ephemeral containers.

Kubernetes clusters are only affected if the ImagePolicyWebhook admission plugin is used together with ephemeral containers.

Mitigation

Update the affected package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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

3) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU77526

Risk: Medium

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2023-2728

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to improperly imposed security restrictions. A remote user can launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using ephemeral containers.

Kubernetes clusters are only affected if the ServiceAccount admission plugin and the kubernetes.io/enforce-mountable-secrets annotation are used together with ephemeral containers.

Mitigation

Update the affected package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user 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.

4) 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 package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

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.

5) Resource exhaustion

EUVDB-ID: #VU81728

Risk: High

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-44487

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 improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Update the affected package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

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?

Yes. This vulnerability is being exploited in the wild.

6) 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 package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

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.

7) Improper locking

EUVDB-ID: #VU87652

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-0793

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service attack (DoS).

The vulnerability exists due to improper locking when handling a malformed HPA v1 manifest in kube-controller-manager. A local user can perform a denial of service (DoS) attack.

Mitigation

Update the affected package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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

8) Infinite loop

EUVDB-ID: #VU87326

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-2024-24786

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop when parsing data in an invalid JSON format within the protojson.Unmarshal() function. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

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.

9) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU88934

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-3177

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions. A remote user can launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using containers, init containers, and ephemeral containers with the envFrom field populated.

Kubernetes clusters are only affected if the ServiceAccount admission plugin and the kubernetes.io/enforce-mountable-secrets annotation are used together with containers, init containers, and ephemeral containers with the envFrom field populated.

Mitigation

Update the affected package kubernetes1.24 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP3

SUSE Linux Enterprise Server 15 SP3 LTSS: 15-SP3

SUSE Linux Enterprise Server 15: SP3

SUSE Linux Enterprise High Performance Computing LTSS 15: SP3

SUSE Linux Enterprise High Performance Computing 15: SP3

SUSE Enterprise Storage: 7.1

openSUSE Leap: 15.3

kubernetes1.24-client-bash-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-client-fish-completion: before 1.24.17-150300.7.6.1

kubernetes1.24-apiserver: before 1.24.17-150300.7.6.1

kubernetes1.24-controller-manager: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet: before 1.24.17-150300.7.6.1

kubernetes1.24-client: before 1.24.17-150300.7.6.1

kubernetes1.24-scheduler: before 1.24.17-150300.7.6.1

kubernetes1.24-kubelet-common: before 1.24.17-150300.7.6.1

kubernetes1.24-client-common: before 1.24.17-150300.7.6.1

kubernetes1.24-kubeadm: before 1.24.17-150300.7.6.1

kubernetes1.24-proxy: before 1.24.17-150300.7.6.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243343-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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