“Unmasking NGINX Ingress Vulnerabilities: How to Secure Your Kubernetes Cluster”

“Unmasking NGINX Ingress Vulnerabilities: How to Secure Your Kubernetes Cluster”

CVSS score: 7.5) – An attacker can exploit this vulnerability to bypass the network policies and expose sensitive services within the cluster

CVE-2022-1612 (CVSS score: 7.7) – A potential threat actor could create a new Ingress object, thereby bypassing the ingress controller’s security measures and gaining access to its features and configurations

Look Out for Security Flaws in NGINX Ingress: New Threat on the Block

If you’re an IT whiz kid and Kubernetes particularly rings a bell, you might want to pay attention. The jester of tech mishaps has played a trick and served up some high-severity security flaws in the NGINX Ingress controller. These are no laughing matter, as they could provide the weapon a threat actor needs to lift those precious secret credentials right from the cluster.

CVE-2022-4886: The Ingress-nginx Path Sanitization Slip Up

First in our rogues’ gallery is CVE-2022-4886 with a CVSS score of 8.8. What’s going on here is that the Ingress-nginx path sanitization can be bypassed, resulting in a sneaky way for someone to gain the credentials of the ingress-nginx controller. It’s essentially like dressing up as a janitor to swipe the master keys from the building supervisor!

CVE-2023-5043: The Cluster Buster

Next up at bat, we have CVE-2023-5043, scored at 7.5. This vulnerability offers a backdoor for attackers looking to bypass network policies. Not only does it provide unauthorized access, but also it exposes sensitive services within the cluster. It’s like someone turning off your alarm system and throwing a party in your place while you are away!

CVE-2022-1612: New Ingress, who Dis?

Finally, we have CVE-2022-1612, scored 7.7. This is for those cunning foxes who create a new Ingress object and, in the process, bypass the ingress controller’s security measures to gain access to features and configurations. So essentially, building a secret door in your highly secure castle – quite the game of thrones!

To Sum it all up

Security vulnerabilities aren’t fun – unless you’re a threat actor looking for an open door. Three high-severity security flaws have been identified in the NGINX Ingress controller for Kubernetes. These vulnerabilities could allow unauthorized access to sensitive information and features, making them a potential jackpot for threat actors. So, in the world of IT, keep your eyes peeled, your system patched, and your defensive humor ready—because breach attempts are as inevitable as dad jokes at a family reunion.

Original Article: https://thehackernews.com/2023/10/urgent-new-security-flaws-discovered-in.html


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