CVE-2020-8564 Docker config secrets leaked when file is malformed and loglevel >= 4

2020-12-0722:00:22

CWE-532

kubernetes

www.cve.org

docker

secrets

leaked

malformed file

log level

kubernetes clusters

pull secrets

registry credentials

cve-2020-8564

v1.19.3

v1.18.10

v1.17.13

CVSS3

4.7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.5

Confidence

High

EPSS

0.001

Percentile

17.2%

JSON

In Kubernetes clusters using a logging level of at least 4, processing a malformed docker config file will result in the contents of the docker config file being leaked, which can include pull secrets or other registry credentials. This affects < v1.19.3, < v1.18.10, < v1.17.13.

CNA Affected

[
  {
    "product": "Kubernetes",
    "vendor": "Kubernetes",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.19.3"
      },
      {
        "status": "affected",
        "version": "< 1.18.10"
      },
      {
        "status": "affected",
        "version": "< 1.17.13"
      }
    ]
  }
]