Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU88184
Risk: Medium
CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2023-45288
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: Yes
DescriptionThe 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. MitigationUpdate the affected package kubernetes1.26 to the latest version.
Vulnerable software versionsContainers Module: 15-SP5 - 15-SP6
SUSE Linux Enterprise Real Time 15: SP5 - SP6
openSUSE Leap: 15.4 - 15.6
SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP6
SUSE Linux Enterprise Server 15: SP4 - SP6
SUSE Linux Enterprise Server 15 SP4 LTSS: 15-SP4
SUSE Linux Enterprise High Performance Computing LTSS 15: SP4
SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4
SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5
kubernetes1.26-client-bash-completion: before 1.26.15-150400.9.14.1
kubernetes1.26-client-fish-completion: before 1.26.15-150400.9.14.1
kubernetes1.26-proxy: before 1.26.15-150400.9.14.1
kubernetes1.26-client: before 1.26.15-150400.9.14.1
kubernetes1.26-client-common: before 1.26.15-150400.9.14.1
kubernetes1.26-controller-manager: before 1.26.15-150400.9.14.1
kubernetes1.26-kubeadm: before 1.26.15-150400.9.14.1
kubernetes1.26-kubelet-common: before 1.26.15-150400.9.14.1
kubernetes1.26-kubelet: before 1.26.15-150400.9.14.1
kubernetes1.26-apiserver: before 1.26.15-150400.9.14.1
kubernetes1.26-scheduler: before 1.26.15-150400.9.14.1
CPE2.3http://www.suse.com/support/update/announcement/2024/suse-su-20243155-1/
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.