Vulnerability Monitor

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CVE-2021-25745

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the spec.rules[].http.paths[].path field of an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.

Published

2022-05-06T01:15:09.047

Last Modified

2024-11-21T05:55:20.110

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.6 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

4.9

Weaknesses

Type: Secondary
CWE-20
Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	kubernetes	ingress-nginx	< 1.2.0	Yes

References

https://github.com/kubernetes/ingress-nginx/issues/8502 Issue Tracking, Mitigation, Third Party Advisory ([email protected])
https://groups.google.com/g/kubernetes-security-announce/c/7vQrpDZeBlc Issue Tracking, Mailing List, Mitigation, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20220609-0006/ Third Party Advisory ([email protected])
https://github.com/kubernetes/ingress-nginx/issues/8502 Issue Tracking, Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/g/kubernetes-security-announce/c/7vQrpDZeBlc Issue Tracking, Mailing List, Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20220609-0006/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)