CVE-2023-42813

Kyverno is a policy engine designed for Kubernetes. A security vulnerability was found in Kyverno where an attacker could cause denial of service of Kyverno. The vulnerable component in Kyvernos Notary verifier. An attacker would need control over the registry from which Kyverno would fetch attestations. With such a position, the attacker could return a malicious response to Kyverno, when Kyverno would send a request to the registry. The malicious response would cause denial of service of Kyverno, such that other users' admission requests would be blocked from being processed. This is a vulnerability in a new component released in v1.11.0. The only users affected by this are those that have been building Kyverno from source at the main branch which is not encouraged. Users consuming official Kyverno releases are not affected. There are no known cases of this vulnerability being exploited in the wild.
Configurations

Configuration 1 (hide)

cpe:2.3:a:nirmata:kyverno:1.11.0:-:*:*:*:go:*:*

History

21 Nov 2023, 14:00

Type Values Removed Values Added
CPE cpe:2.3:a:nirmata:kyverno:1.11.0:-:*:*:*:go:*:*
First Time Nirmata kyverno
Nirmata
References () https://github.com/kyverno/kyverno/pull/8428 - () https://github.com/kyverno/kyverno/pull/8428 - Patch
References () https://github.com/kyverno/kyverno/security/advisories/GHSA-wc3x-5rfv-hh5v - () https://github.com/kyverno/kyverno/security/advisories/GHSA-wc3x-5rfv-hh5v - Vendor Advisory
References () https://github.com/kyverno/kyverno/commit/fec2992e3f9fcd6b9c62267522c09b182e7df73b - () https://github.com/kyverno/kyverno/commit/fec2992e3f9fcd6b9c62267522c09b182e7df73b - Patch
References () https://github.com/kyverno/kyverno/commit/80d139bb5d1d9d7e907abe851b97dc73821a5be2 - () https://github.com/kyverno/kyverno/commit/80d139bb5d1d9d7e907abe851b97dc73821a5be2 - Patch
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.3
CWE NVD-CWE-noinfo

14 Nov 2023, 19:15

Type Values Removed Values Added
References
  • () https://github.com/kyverno/kyverno/pull/8428 -
  • () https://github.com/kyverno/kyverno/commit/80d139bb5d1d9d7e907abe851b97dc73821a5be2 -
  • () https://github.com/kyverno/kyverno/commit/fec2992e3f9fcd6b9c62267522c09b182e7df73b -

13 Nov 2023, 21:15

Type Values Removed Values Added
New CVE

Information

Published : 2023-11-13 21:15

Updated : 2024-02-28 20:54


NVD link : CVE-2023-42813

Mitre link : CVE-2023-42813

CVE.ORG link : CVE-2023-42813


JSON object : View

Products Affected

nirmata

  • kyverno
CWE
NVD-CWE-noinfo CWE-400

Uncontrolled Resource Consumption