Ingress nginx annotation injection causes arbitrary command execution
CVE-2023-5043

8.8HIGH

Key Information:

Vendor
Kubernetes
Status
Ingress-nginx
Vendor
CVE Published:
25 October 2023

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 11%

Summary

A vulnerability has been identified in Ingress NGINX that allows for arbitrary command execution due to improper handling of annotations. This can potentially lead to remote code execution, compromising server security and data integrity. Administrators should ensure they update to the latest version to mitigate this risk.

Affected Version(s)

ingress-nginx 0 < 1.9.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-5043
Created by r0binak

References

https://github.com/kubernetes/ingress-nginx/issues/10571
issue-tracking
https://groups.google.com/g/kubernetes-security-announce/...
mailing-list
http://www.openwall.com/lists/oss-security/2023/10/25/4

EPSS Score

11% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

suanve
.