CVE-2023-33191: Github.com/kyverno/kyverno Kyverno Seccomp Control Can Be Vulnerability
MODERATECVE-2023-33191 is a MODERATE (CVSS 4.6) kyverno seccomp control can be vulnerability (CWE-284: Improper Access Control) affecting Github.com/kyverno/kyverno libraries in the Go ecosystem. The issue involves kyverno seccomp control can be circumvented. Remediation is available by upgrading affected packages to version 1.9.4.
CVE-2023-33191 at a Glance
Security Impact
CVSS: 4.6
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L).
How to Fix CVE-2023-33191
To remediate this vulnerability, upgrade all affected Github.com/kyverno/kyverno dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade github.com/kyverno/kyverno to 1.9.4Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for github.com/kyverno/kyvernoHow to Check if You Are Affected
To determine whether your application is affected by CVE-2023-33191, inspect your project dependencies for Github.com/kyverno/kyverno:
inspect dependencies for github.com/kyverno/kyvernoAnalyze the terminal output to locate any version of Github.com/kyverno/kyverno in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.9.4), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-284: Improper Access Control, where the product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. In Github.com/kyverno/kyverno, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2023-33191 Affected Github.com/kyverno/kyverno Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
github.com/kyverno/kyverno
|
Go |
≥ 1.9.2
< 1.9.4
|
1.9.4
|
References
Frequently Asked Questions
What is CVE-2023-33191?
Which Github.com/kyverno/kyverno versions are affected?
What version fixes CVE-2023-33191?
Is github.com/kyverno/kyverno affected?
What is the CVSS score of CVE-2023-33191?
What CWE is associated with CVE-2023-33191?
How can I check Go dependencies for CVE-2023-33191?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-33hq-f2mf-jm3c",
"modified" : "2023-06-01T04:07:20Z",
"published" : "2023-05-25T16:58:48Z",
"aliases" : [ "CVE-2023-33191" ],
"summary" : "kyverno seccomp control can be circumvented",
"details" : "### Impact\n\nUsers of the podSecurity (`validate.podSecurity`) subrule in Kyverno versions v1.9.2 and v1.9.3 may be unable to enforce the check for the Seccomp control at the baseline level when using a `version` value of `latest`. There is no effect if a version number is referenced instead. See the [documentation](https://kyverno.io/docs/writing-policies/validate/#pod-security) for information on this subrule type. Users of Kyverno v1.9.2 and v1.9.3 are affected.\n\n### Patches\n\nv1.9.4\nv1.10.0\n\n### Workarounds\n\nTo work around this issue without upgrading to v1.9.4, temporarily install individual policies for the respective Seccomp checks in baseline [here](https://kyverno.io/policies/pod-security/baseline/restrict-seccomp/restrict-seccomp/) and restricted [here](https://kyverno.io/policies/pod-security/restricted/restrict-seccomp-strict/restrict-seccomp-strict/).\n\n### References\n\n* https://kyverno.io/docs/writing-policies/validate/#pod-security\n* https://github.com/kyverno/kyverno/pull/7263\n",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Go",
"name" : "github.com/kyverno/kyverno"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.9.2"
}, {
"fixed" : "1.9.4"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/kyverno/kyverno/security/advisories/GHSA-33hq-f2mf-jm3c"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-33191"
}, {
"type" : "WEB",
"url" : "https://github.com/kyverno/kyverno/pull/7263"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/kyverno/kyverno"
}, {
"type" : "WEB",
"url" : "https://github.com/kyverno/kyverno/releases/tag/v1.9.4"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-284" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2023-05-25T16:58:48Z",
"nvd_published_at" : "2023-05-30T07:15:09Z"
}
}