SUSE update for ignition



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-45288
CWE-ID CWE-400
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 SUSE Linux Enterprise Micro
Operating systems & Components / Operating system

ignition
Operating systems & Components / Operating system package or component

ignition-dracut-grub2
Operating systems & Components / Operating system package or component

ignition-debuginfo
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains one medium risk vulnerability.

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 package ignition to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.5

ignition: before 2.17.0-150500.3.6.1

ignition-dracut-grub2: before 2.17.0-150500.3.6.1

ignition-debuginfo: before 2.17.0-150500.3.6.1

CPE2.3 External links

http://www.suse.com/support/update/announcement/2025/suse-su-20250295-1/


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.



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