CVE-2020-8565 Incomplete fix for CVE-2019-11250 allows for token leak in logs when logLevel >= 9

2020-10-1500:00:00

CWE-532

kubernetes

www.cve.org

4.7 Medium

CVSS3

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

5.4 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.8%

JSON

In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.3, <= v1.18.10, <= v1.17.13, < v1.20.0-alpha2.

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"
      },
      {
        "status": "affected",
        "version": "< 1.20.0-alpha2"
      }
    ]
  }
]