CVE-2023-29002 Debug mode leaks confidential data in Cilium

2023-04-1821:21:11

CWE-532

GitHub_M

www.cve.org

cilium

debug mode

confidential data

ebpf

dataplane

tls

private keys

ingress

gatewayapi

namespace

restart

vulnerability

upgrade

7.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N

6.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

JSON

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. When run in debug mode, Cilium will log the contents of the cilium-secrets namespace. This could include data such as TLS private keys for Ingress and GatewayAPI resources. An attacker with access to debug output from the Cilium containers could use the resulting output to intercept and modify traffic to and from the affected cluster. Output of the sensitive information would occur at Cilium agent restart, when secrets in the namespace are modified, and on creation of Ingress or GatewayAPI resources. This vulnerability is fixed in Cilium releases 1.11.16, 1.12.9, and 1.13.2. Users unable to upgrade should disable debug mode.

CNA Affected

[
  {
    "vendor": "cilium",
    "product": "cilium",
    "versions": [
      {
        "version": ">= 1.7, < 1.11.16",
        "status": "affected"
      },
      {
        "version": ">= 1.12.0, < 1.12.9",
        "status": "affected"
      },
      {
        "version": ">= 1.13.0, < 1.13.2",
        "status": "affected"
      }
    ]
  }
]