Kyverno before 1.19.2 contains an authentication bypass in matchCertificateData that skips verifyImages subject and subjectRegExp checks when the…
Kyverno before 1.19.2 contains an authentication bypass in matchCertificateData that skips verifyImages subject and subjectRegExp checks when the signing certificate has no Subject Alternative Name. Attackers holding a leaf certificate from a configured private trust root can omit the SAN, set the expected Fulcio issuer OID, and sign malicious images that are admitted despite signer pinning.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- Kyverno
- Product
- kyverno
- CVSS v3.1
- 7.7 AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L
- Weakness
- CWE-295
- NVD status
- Received
Why it ranks 25 (Notable)
- CVSS v3.1 7.7 high
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.