Vulnerability Details : CVE-2022-31055
kCTF is a Kubernetes-based infrastructure for capture the flag (CTF) competitions. Prior to version 1.6.0, the kctf cluster set-src-ip-ranges was broken and allowed traffic from any IP. The problem has been patched in v1.6.0. As a workaround, those who want to test challenges privately can mark them as `public: false` and use `kctf chal debug port-forward` to connect.
Vulnerability category: BypassGain privilege
Products affected by CVE-2022-31055
- cpe:2.3:a:google:kctf:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-31055
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 26 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-31055
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
GitHub, Inc. |
CWE ids for CVE-2022-31055
-
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.Assigned by: security-advisories@github.com (Secondary)
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-31055
-
https://github.com/google/kctf/commit/8cf050be974fcc2fd8aa136701f9a66f2b2a5202
Fix src ranges (#371) · google/kctf@8cf050b · GitHubPatch;Third Party Advisory
-
https://github.com/google/kctf/security/advisories/GHSA-4g2v-6qc6-6jv5
Improper Access Control in kctf · Advisory · google/kctf · GitHubThird Party Advisory
-
https://github.com/google/kctf/pull/371
Fix src ranges by sroettger · Pull Request #371 · google/kctf · GitHubPatch;Third Party Advisory
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