CVE-2021-25742 Ingress-nginx custom snippets allows retrieval of ingress-nginx serviceaccount token and secrets across all namespaces

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster...

CVE-2021-25742

CVE-2021-25742 affects the Kubernetes NGINX Ingress Controller via the custom snippets feature. A user who can create or update ingress objects can exploit this flaw to obtain all secrets in the cluster (cross-namespace access). This is tied to ingress-nginx behavior rather than a generic service...

Kubernetes: Ingress-nginx path allows retrieval of ingress-nginx serviceaccount token

Report Submission Form Summary: A user with the permissions to create an ingress resource can obtain the ingress-nginx service account token which can list secrets is all namespaces cluster wide. Kubernetes Version: 1.20 should work on 1.21 as well Component Version: nginx ingress controller v1.0...

CVE-2021-25742

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster...

Ingress-nginx custom snippets allows retrieval of ingress-nginx serviceaccount token and secrets across all namespaces

Issue Details A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the custom snippets feature to obtain all secrets in the cluster. This issue has been rated High CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L, and assigned CVE-2021-25742...

ingress-nginx 安全漏洞

ingress-nginx is an open source entry controller for Kubernetes that uses NGINX as a reverse proxy and load balancer. A security vulnerability exists in ingress-nginx that stems from the fact that a user who creates or updates an ingress object can use the custom snippet feature to gain access to...

Kubernetes: Authenticated kubernetes principal with restricted permissions can retrieve ingress-nginx serviceaccount token and secrets across all namespaces

Summary: Retrieving ingress-nginx serviceaccount token ingress-nginx allows adding custom snippets of nginx configuration to Kubernetes ingress objects. These snippets can be applied to either the relevant location or server blocks with the following annotations, respectively...

Security Bulletin: IBM Cloud Private is vulnerable to a Kubernetes vulnerability (CVE-2020-8553)

Summary IBM Cloud Private is vulnerable to a Kubernetes vulnerability Vulnerability Details CVEID: CVE-2020-8553 DESCRIPTION: Kubernetes ingress-nginx could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw when the annotation...

CVE-2020-8553

The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace ...

CVE-2020-8553 Kubernetes ingress-nginx Compromise of auth via subset/superset namespace names

The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace ...

CVE-2020-8553

Summary: The Kubernetes ingress-nginx controller prior to 0.28.0 is vulnerable when a user can create namespaces and read/write ingress objects. They can overwrite the password file of another ingress that uses basic auth (nginx.ingress.kubernetes.io/auth-type: basic) if the target ingress has a ...

ingress-nginx auth-type basic annotation vulnerability

A security issue was discovered in ingress-nginx versions older than v0.28.0. The issue is of medium severity, and upgrading is encouraged to fix the vulnerability. Am I vulnerable? The vulnerability exists only if the annotation nginx.ingress.kubernetes.io/auth-type: basic is used. How do I...

PT-2020-6523 · Unknown · Ingress-Nginx

Name of the Vulnerable Software and Affected Versions: ingress-nginx versions prior to 0.28.0 Description: The issue is related to errors in processing hyperlinks in the ingress-nginx controller in a Kubernetes cluster. This can be exploited by a remote attacker to gain access to create, modify, ...

HTTP Request Smuggling

github.com/kubernetes/ingress-nginx is vulnerable to HTTP request smuggling. The library does not use a named location for authSignURL, allowing a malicious user to read unauthorized web pages in environments where NGINX is being fronted by a load balancer...