Vulnerability Details : CVE-2023-32186
A Allocation of Resources Without Limits or Throttling vulnerability in SUSE RKE2 allows attackers with access to K3s servers apiserver/supervisor port (TCP 6443) cause denial of service.
This issue affects RKE2: from 1.24.0 before 1.24.17+rke2r1, from v1.25.0 before v1.25.13+rke2r1, from v1.26.0 before v1.26.8+rke2r1, from v1.27.0 before v1.27.5+rke2r1, from v1.28.0 before v1.28.1+rke2r1.
Vulnerability category: Denial of service
Products affected by CVE-2023-32186
- cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_rke2:*:*:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_rke2:1.28.1\+rke2r1:rc1:*:*:*:*:*:*
- cpe:2.3:a:suse:rancher_rke2:1.28.1\+rke2r1:rc2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-32186
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-32186
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
SUSE | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2023-32186
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: meissner@suse.de (Primary)
References for CVE-2023-32186
-
https://github.com/rancher/rke2/security/advisories/GHSA-p45j-vfv5-wprq
RKE2 supervisor port is vulnerable to unauthenticated remote denial-of-service (DoS) attack via TLS SAN stuffing attack · Advisory · rancher/rke2 · GitHubMitigation;Vendor Advisory
-
https://bugzilla.suse.com/show_bug.cgi?id=CVE-2023-32186
1214792 – (CVE-2023-32186) CVE-2023-32186: RKE2: Unauthenticated denial of service attack in RKE2 in the dynamiclistenerIssue Tracking;Vendor Advisory
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